Billy Straight
A resourceful runaway alone in the wilds of Los Angeles, twelve-year-old Billy Straight suddenly witnesses a brutal stabbing in Griffith Park. Fleeing into the night, Billy cannot shake the horrific memory of the savage violence, nor the pursuit of a cold-blooded killer. For wherever Billy turns—from Hollywood Boulevard to the boardwalks of Venice—he is haunted by the chuck, chuck sound of a knife sinking into flesh.
As LAPD homicide detective Petra Connor desperately searches for the murderer, as the media swarms mercilessly around the story, the vicious madman stalks closer to his prey. Only Petra can save Billy. But it will take all her cunning to uncover a child lost in a fierce urban labyrinth—where a killer seems right at home.
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Jonathan Kellerman
Jonathan Kellerman was born in New York City in 1949 and grew up in Los Angeles. He helped work his way through UCLA as an editorial cartoonist, columnist, editor and freelance musician. As a senior, at the age of 22, he won a Samuel Goldwyn Writing Award for fiction.
Like his fictional protagonist, Alex Delaware, Jonathan received at Ph.D. in psychology at the age of 24, with a specialty in the treatment of children. He served internships in clinical psychology and pediatric psychology at Childrens Hospital of Los Angeles and was a post-doctoral HEW Fellow in Psychology and Human Development at CHLA.
Petra Connor
Petra Connor consists of two books. The current recommended reading order for the series is provided below.

