Rob Farley was only 11 years old when his best friend Billy Kwon went missing. Billy was never found.Now, 24 years later, Rob has decided to write about Billy's disappearance in his newest novel. Rob recreates the maintenance tunnels under UCLA where he and Billy used to explore. He writes about the last time they played together there-and what they saw . . .What Rob discovers as he writes and investigates his past leads him far from Los Angeles to...