William Bayer is the author of the Edgar Award?winning novel "Peregrine, " which introduced NYPD detective Frank Janek, the central character of four subsequent thrillers, among them the New York Times bestseller Switch. Pattern Crimes was also a "New York Times" bestseller. More recently, under the pen name David Hunt, Bayer wrote two thrillers featuring color-blind photographer Kay Farrow: "The Magician's Tale, " which was a "New York Times" Notable Book of the Year and won the Lambda Literary Award for Best Mystery, and "Trick of Light." Bayer lives in San Francisco with his wife, cookbook