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An author is the creator or originator of any written work such as a book or play, and is also considered a writer or poet. More broadly defined, an author is "the person who originated or gave existence to anything" and whose authorship determines responsibility for what was created. 
Typically, the first owner of a copyright is the person who created the work, i.e. the author. If more than one person created the work, then a case of joint authorship can be made provided some criteria are met. In the copyright laws of various jurisdictions, there is a necessity for little flexibility regarding what constitutes authorship. The United States Copyright Office, for example, defines copyright as "a form of protection provided by the laws of the United States (title 17, U.S. Code) to authors of 'original works of authorship.'" 
Holding the title of "author" over any "literary, dramatic, musical, artistic, [or] certain other intellectual works" gives rights to this person, the owner of the copyright, especially the exclusive right to engage in or authorize any production or distribution of their work. Any person or entity wishing to use intellectual property held under copyright must receive permission from the copyright holder to use this work, and often will be asked to pay for the use of copyrighted material. After a fixed amount of time, the copyright expires on intellectual work and it enters the public domain, where it can be used without limit. Copyright laws in many jurisdictions – mostly following the lead of the United States, in which the entertainment and publishing industries have very strong lobbying power – have been amended repeatedly since their inception, to extend the length of this fixed period where the work is exclusively controlled by the copyright holder. However, copyright is merely the legal reassurance that one owns their work. Technically, someone owns their work from the time it's created. A notable aspect of authorship emerges with copyright in that, in many jurisdictions, it can be passed down to another upon one's death. The person who inherits the copyright is not the author, but enjoys the same legal benefits.
Questions arise as to the application of copyright law. How does it, for example, apply to the complex issue of fan fiction? If the media agency responsible for the authorized production allows material from fans, what is the limit before legal constraints from actors, music, and other considerations, come into play? Additionally, how does copyright apply to fan-generated stories for books? What powers do the original authors, as well as the publishers, have in regulating or even stopping the fan fiction? This particular sort of case also illustrates how complex intellectual property law can be, since such fiction may also involved trademark law (e.g. for names of characters in media franchises), likeness rights (such as for actors, or even entirely fictional entities), fair use rights held by the public (including the right to parody or satirize), and many other interacting complications.[ citation needed]
Authors may portion out different rights they hold to different parties, at different times, and for different purposes or uses, such as the right to adapt a plot into a film, but only with different character names, because the characters have already been optioned by another company for a television series or a video game. An author may also not have rights when working under contract that they would otherwise have, such as when creating a work for hire (e.g., hired to write a city tour guide by a municipal government that totally owns the copyright to the finished work), or when writing material using intellectual property owned by others (such as when writing a novel or screenplay that is a new installment in an already established media franchise).
This section needs expansion with: information about any theories of authorship other than postmodern ones. What do other philosophers think of authorship?. You can help by adding to it. (August 2021)
In literary theory, critics find complications in the term author beyond what constitutes authorship in a legal setting. In the wake of postmodern literature, critics such as Roland Barthes and Michel Foucault have examined the role and relevance of authorship to the meaning or interpretation of a text.
Barthes challenges the idea that a text can be attributed to any single author. He writes, in his essay "Death of the Author" (1968), that "it is language which speaks, not the author."  The words and language of a text itself determine and expose meaning for Barthes, and not someone possessing legal responsibility for the process of its production. Every line of written text is a mere reflection of references from any of a multitude of traditions, or, as Barthes puts it, "the text is a tissue of quotations drawn from the innumerable centres of culture"; it is never original.  With this, the perspective of the author is removed from the text, and the limits formerly imposed by the idea of one authorial voice, one ultimate and universal meaning, are destroyed. The explanation and meaning of a work does not have to be sought in the one who produced it, "as if it were always in the end, through the more or less transparent allegory of the fiction, the voice of a single person, the author 'confiding' in us."  The psyche, culture, fanaticism of an author can be disregarded when interpreting a text, because the words are rich enough themselves with all of the traditions of language. To expose meanings in a written work without appealing to the celebrity of an author, their tastes, passions, vices, is, to Barthes, to allow language to speak, rather than author.
Michel Foucault argues in his essay "What is an author?" (1969) that all authors are writers, but not all writers are authors. He states that "a private letter may have a signatory—it does not have an author."  For a reader to assign the title of author upon any written work is to attribute certain standards upon the text which, for Foucault, are working in conjunction with the idea of "the author function."  Foucault's author function is the idea that an author exists only as a function of a written work, a part of its structure, but not necessarily part of the interpretive process. The author's name "indicates the status of the discourse within a society and culture," and at one time was used as an anchor for interpreting a text, a practice which Barthes would argue is not a particularly relevant or valid endeavour. 
Expanding upon Foucault's position, Alexander Nehamas writes that Foucault suggests "an author [...] is whoever can be understood to have produced a particular text as we interpret it," not necessarily who penned the text.  It is this distinction between producing a written work and producing the interpretation or meaning in a written work that both Barthes and Foucault are interested in. Foucault warns of the risks of keeping the author's name in mind during interpretation, because it could affect the value and meaning with which one handles an interpretation.
Literary critics Barthes and Foucault suggest that readers should not rely on or look for the notion of one overarching voice when interpreting a written work, because of the complications inherent with a writer's title of "author." They warn of the dangers interpretations could suffer from when associating the subject of inherently meaningful words and language with the personality of one authorial voice. Instead, readers should allow a text to be interpreted in terms of the language as "author."
Self-publishing, self-publishing, independent publishing, or artisanal publishing is the "publication of any book, album or other media by its author without the involvement of a traditional publisher. It is the modern equivalent to traditional publishing."
Unless a book is to be sold directly from the author to the public, an ISBN is required to uniquely identify the title. ISBN is a global standard used for all titles worldwide. Most self-publishing companies either provide their own ISBN to a title or can provide direction;  it may be in the best interest of the self-published author to retain ownership of ISBN and copyright instead of using a number owned by a vanity press. A separate ISBN is needed for each edition of the book. 
There are a variety of book formats and tools that can be used to create them. Because it is possible to create e-books with no up-front or per-book costs, this is a popular option for self-publishers. E-book publishing platforms include Pronoun, Smashwords, Blurb, Amazon Kindle Direct Publishing, CinnamonTeal Publishing, Papyrus Editor, ebook leap, Bookbaby, Pubit, Lulu, Llumina Press, and CreateSpace.   E-book formats include epub, mobi, and PDF, among others.
Print-on-demand (POD) publishing refers to the ability to print high-quality books as needed. For self-published books, this is often a more economical option than conducting a print run of hundreds or thousands of books. Many companies, such as Createspace (owned by Amazon.com), Outskirts Press, Blurb, Lulu, Llumina Press, ReadersMagnet, and iUniverse, allow printing single books at per-book costs not much higher than those paid by publishing companies for large print runs.  
With commissioned publishing, the publisher makes all the publication arrangements and the author covers all expenses.
The author of a work may receive a percentage calculated on a wholesale or a specific price or a fixed amount on each book sold. Publishers, at times, reduced the risk of this type of arrangement, by agreeing only to pay this after a certain number of copies had sold. In Canada, this practice occurred during the 1890s, but was not commonplace until the 1920s. Established and successful authors may receive advance payments, set against future royalties, but this is no longer common practice. Most independent publishers pay royalties as a percentage of net receipts – how net receipts are calculated varies from publisher to publisher. Under this arrangement, the author does not pay anything towards the expense of publication. The costs and financial risk are all carried by the publisher, who will then take the greatest percentage of the receipts. See Compensation for more.
This type of publisher normally charges a flat fee for arranging publication, offers a platform for selling, and then takes a percentage of the sale of every copy of a book. The author receives the rest of the money made.
The relationship between the author and the editor, often the author's only liaison to the publishing company, is often characterized as the site of tension. For the author to reach their audience, often through publication, the work usually must attract the attention of the editor. The idea of the author as the sole meaning-maker of necessity changes to include the influences of the editor and the publisher to engage the audience in writing as a social act. There are three principal areas covered by editors – Proofing (checking the Grammar and spelling, looking for typing errors), Story (potentially an area of deep angst for both author and publisher), and Layout (the setting of the final proof ready for publishing often requires minor text changes so a layout editor is required to ensure that these do not alter the sense of the text).
Pierre Bourdieu's essay "The Field of Cultural Production" depicts the publishing industry as a "space of literary or artistic position-takings," also called the "field of struggles," which is defined by the tension and movement inherent among the various positions in the field.  Bourdieu claims that the "field of position-takings [...] is not the product of coherence-seeking intention or objective consensus," meaning that an industry characterized by position-takings is not one of harmony and neutrality.  In particular for the writer, their authorship in their work makes their work part of their identity, and there is much at stake personally over the negotiation of authority over that identity. However, it is the editor who has "the power to impose the dominant definition of the writer and therefore to delimit the population of those entitled to take part in the struggle to define the writer".  As "cultural investors," publishers rely on the editor position to identify a good investment in "cultural capital" which may grow to yield economic capital across all positions. 
According to the studies of James Curran, the system of shared values among editors in Britain has generated a pressure among authors to write to fit the editors' expectations, removing the focus from the reader-audience and putting a strain on the relationship between authors and editors and on writing as a social act. Even the book review by the editors has more significance than the readership's reception. 
Authors rely on advance fees, royalty payments, adaptation of work to a screenplay, and fees collected from giving speeches. 
A standard contract for an author will usually include provision for payment in the form of an advance and royalties. An advance is a lump sum paid in advance of publication. An advance must be earned out before royalties are payable. An advance may be paid in two lump sums: the first payment on contract signing, and the second on delivery of the completed manuscript or on publication.
Royalty payment is the sum paid to authors for each copy of a book sold and is traditionally around 10–12%, but self-published authors can earn about 40% – 60% royalties per each book sale.  An author's contract may specify, for example, that they will earn 10% of the retail price of each book sold. Some contracts specify a scale of royalties payable (for example, where royalties start at 10% for the first 10,000 sales, but then increase to a higher percentage rate at higher sale thresholds).
An author's book must earn the advance before any further royalties are paid. For example, if an author is paid a modest advance of $2000, and their royalty rate is 10% of a book priced at $20 – that is, $2 per book – the book will need to sell 1000 copies before any further payment will be made. Publishers typically withhold payment of a percentage of royalties earned against returns.
In some countries, authors also earn income from a government scheme such as the ELR (educational lending right) and PLR (public lending right) schemes in Australia. Under these schemes, authors are paid a fee for the number of copies of their books in educational and/or public libraries.
These days, many authors supplement their income from book sales with public speaking engagements, school visits, residencies, grants, and teaching positions.
Ghostwriters, technical writers, and textbooks writers are typically paid in a different way: usually a set fee or a per word rate rather than on a percentage of sales.
In the year 2016, according to the U.S. Bureau of Labor Statistics, nearly 130,000 people worked in the U.S. as authors making an average of $61,240 per year. 
- Lead author
- Academic authorship
- Authors' editor
- Lists of writers
- Lists of poets
- List of novelists
- Magill, Frank N. (1974). Cyclopedia of World Authors. Vol. I, II, III (revised ed.). Inglewood Cliffs, New Jersey: Salem Press. pp. 1–1973. [A compilation of the bibliographies and short biographies of notable authors up to 1974.]
- Copyright Office Basics, U.S. Copyright Office, July 2006, archived from the original on 28 March 2008, retrieved 30 March 2007
- Barthes, Roland (1968), "The Death of the Author", Image, Music, Text (published 1997), ISBN 0-00-686135-0
- Foucault, Michel (1969), "What is an Author?", in Harari, Josué V. (ed.), Textual Strategies: Perspectives in Post-Structuralist Criticism, Ithaca, NY: Cornell University Press (published 1979)
- Hamas, Alexander (November 1986), "What An Author Is", The Journal of Philosophy, Eighty-Third Annual Meeting American Philosophical Association, Eastern Division, 83 (11): 685–691, doi: 10.5840/jphil1986831118
- ISBN us.com Archived 16 April 2014 at the Wayback Machine
- "The Easiest, Cheapest, Fastest Way to Self-Publish Your Book – Mediashift". pbs.org. 7 April 2011. Retrieved 15 May 2015.
- "How to Self-Publish Your E-Book – Mediashift". pbs.org. 16 September 2011. Retrieved 15 May 2015.
- "Lib.umn.edu". Archived from the original on 4 March 2016. Retrieved 26 September 2017.
- Rich, Motoko (28 February 2010). "Math of Publishing Meets the E-Book". The New York Times. Retrieved 9 May 2013.
- Rosenthal, Morris. "Print on Demand Publishing". Retrieved 9 May 2013.
- Bourdieu, Pierre. "The Field of Cultural Production, or: The Economic World Reversed." The Field of Cultural Production: Essays on Art and Literature. New York: Columbia University Press, 1993, 30.
- Bourdieu, Pierre. "The Field of Cultural Production, or: The Economic World Reversed." The Field of Cultural Production: Essays on Art and Literature. New York: Columbia University Press, 1993, 34
- Bourdieu, Pierre. "The Field of Cultural Production, or: The Economic World Reversed." The Field of Cultural Production: Essays on Art and Literature. New York: Columbia University Press, 1993, 42
- Bourdieu, Pierre. "The Field of Cultural Production, or: The Economic World Reversed." The Field of Cultural Production: Essays on Art and Literature. New York: Columbia University Press, 1993, 68
- Curran, James. "Literary Editors, Social Networks and Cultural Tradition." Media Organizations in Society. James Curran, ed. London: Arnold, 2000, 230
- Dezman, Chux (28 February 2021). "How Much Money Do Authors Make?". Byliner. Retrieved 3 November 2021.