Alpha Books

{{Short description|Imprint of Penguin Random House}}

{{Refimprove|date=December 2017}}

{{Infobox publisher

| image = Alpha-books-logo.png

| parent = Dorling Kindersley
(Penguin Random House)

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| founded = 1991

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| country = United States

| headquarters = Indianapolis, Indiana

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| url = {{url|https://www.dk.com}}

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Alpha Books, a member of Penguin Random House, is an American publisher best known for its Complete Idiot's Guides series. It began as a division of Macmillan. Pearson Education acquired Macmillan General Reference (MGR) from Simon & Schuster in 1998 and retained Complete Idiot's Guides while the rest of MGR was sold to IDG Books.{{cite web |last1=Milliot |first1=Jim |last2=Baker |first2=John F. |date=5 July 1999 |title=IDG Books Buys Macmillan General Reference |url=https://www.publishersweekly.com/pw/print/19990705/24783-idg-books-buys-macmillan-general-reference.html |access-date=15 October 2019 |work=PublishersWeekly.com}} Alpha moved from Pearson Education to Penguin Group in 2003. Alpha became part of sister company DK in 2012.{{Cite web| title = Dorling Kindersley relaunches Idiot's Guide series {{!}} The Bookseller| access-date = 2017-12-23| url = https://www.thebookseller.com/news/dorling-kindersley-relaunches-idiots-guide-series}}

{{As of|2021}}, the Complete Idiot's Guides contains over 120 books.{{cite web |title=Idiot's Guides |url=https://www.penguinrandomhouse.com/series/IDU/idiots-guides |website=PenguinRandomhouse.com}}