Jonathan Kellerman is a child psychologist and best-selling writer. He's best known his character psychologist Alex Delaware. In his latest novel, his 14th book, Delaware is on hiatus. In "Billy Straight" published by Random House, his star is Billy, a 12 year old runaway, who witnesses a murder. Kellerman is a clinical professor of pediatrics and psychology at University of Southern California School of Medicine. His wife Faye Kellerman is also an accomplished mystery writer.