William Bayer's first novel, "In Search of a Hero" was published in 1962. He has since written two books of non-fiction and thirteen other novels, including the Edgar award-winning "Peregrine", and four subsequent mystery thrillers in which NYPD detective Frank Janek was the main character, among them the New York Times bestseller "Switch", which became the basis of the first of seven TV films in which Richard Crenna played Janek. "Pattern Crimes" was also a New York Times bestseller. Bayer's last two thrillers featured the color-blind photographer Kay Farrow and were written under the pen-name David Hunt: "The Magician's Tale", which was a New York Time Notable Book of the Year and won the… Lambda Literacy Award for Best Mystery, and "Trick of Light". Bayer lives in San Francisco.