Question: Bonk: The Curious Coupling of Science and Sex is a book by an American author who has published how many books?

<P0-S0> Mary Roach is an American author, specializing in popular science and humor. <P0-S1>  , she has published seven books,: "" (2003), "" (2005) (published in some markets as "Six Feet Over: Adventures in the Afterlife"), "" (2008), "" (2010), "My Planet: Finding Humor in the Oddest Places", "" (2013), and "" (2016). <SEP> <P1-S0> Simon Sheppard is a writer of gay erotica and a sex-advice columnist from San Francisco. <P1-S1>  He is the author of many books of gay sex writing, including "Man on Man: The Best of Simon Sheppard", "Sodomy!" <P1-S2> , "Jockboys," "Kinkorama: Dispatches From the Front Lines of Perversion," "In Deep", and "Sex Parties 101". <P1-S3>  He is also the editor of "Homosex: 60 Years of Gay Erotica," winner of the 2007 Lambda Literary Award for LGBT erotica; the anthology "Leathermen"; and is the coeditor of the anthologies "Rough Stuff" and "Roughed Up." <P1-S4>  Sheppard's work is wide-ranging, often combining history, philosophy, and culture — high and low — with hardcore sex. <P1-S5>  His first book, "Hotter Than Hell and Other Stories", won the Erotic Authors Association Award for Best Collection of the Year, and the title story of "In Deep" was shortlisted for the Rauxa Prize for Erotic Fiction. <P1-S6>  His work has also appeared in over 300 anthologies and magazines, including many editions of "Best Gay Erotica" and "The Best American Erotica". <P1-S7>  He wrote the syndicated column "Sex Talk," and the online columns "Perv" and "Notes of a Cranky Old Fag." <P1-S8>  The online serial "The Dirty Boys' Club,” which he wrote for OutPersonals, was published as a novel in 2012. <P1-S9>  He also curates and co-hosts, with Carol Queen, the San Francisco performance series Perverts Put Out! <P1-S10>  Sheppard is openly gay, and is active in the queer artistic, political and AIDS-activist communities. <P1-S11>  He lives with his husband in San Francisco, where "San Francisco" magazine dubbed him “our erotica king.” <SEP> <P2-S0> Magician is a fantasy novel by Raymond E. Feist. <P2-S1>  It is the first book of the Riftwar Saga and was published in 1982. <P2-S2>  It led to many books written by Feist in the world of Midkemia, which was the setting for this book. <P2-S3>  Originally reduced in size by his editors, it was re-published in 1992 (after the author's fame had grown) in an edition titled "The Author's Preferred Edition" (or "revised edition" in some markets) with much of the deleted text restored. <P2-S4>  "Magician" was separated into two volumes for the United States market and published as: Magician: Apprentice and Magician: Master. <P2-S5>  The book is still published as a single volume, titled "Magician", in the UK. <SEP> <P3-S0> Bonk: The Curious Coupling of Science and Sex is a 2008 book by Mary Roach. <P3-S1>  It follows the winding history of science and its exploration of human sexuality, going back as far as Aristotle and finally ending with recent discoveries about the origination and anatomy of the female orgasm. <P3-S2>  Throughout, Mary Roach provides a humorous and often very personal view—both as a participant and observer—of humans, scientists, animals, and sex machines. <P3-S3>  Of the book's numerous accounts, Roach discusses artificial insemination of sows in Denmark, the notorious history of sex machines, as well as much discussion and commentary on Kinsey's notorious attic sex experiments. <P3-S4>  Her footnotes provide additional humor; as in a sentence which includes several DSM diagnoses listed as acronyms she adds "And from HAFD (hyperactive acronym formation disorder)". <P3-S5>  In the book, Mary Roach describes a session in which she and her husband Ed volunteer to have sex while being recorded by a groundbreaking 4D ultrasound in the interests of science. <P3-S6>  During the experiment, a doctor looks on, making suggestions, and finally telling Ed that he "may ejaculate now."