Kinsey is hired to deliver $25,000 to a fifteen-year-old kid but discovers that the person who hired her is a phony who shows up dead when she tries to collect her fee.

It's been thirteen years since Lucy Sheridan was in Summer River. The last time she visited her aunt Sara there, as a teenager, she'd been sent home suddenly after being dragged out of a wild party--by the guy she had a crush on, just to make it more embarrassing. Obviously Mason Fletcher--only a few years older but somehow a lot more of a grown-up--was the overprotective type who thought he had to come to her rescue. Now, returning after her aunt's...

California PI Kinsey Millhone investigates the death of Audrey Vance, a woman she helped arrest for shoplifting, and antagonizes just about everyone, including Audrey's fiancé, several loan sharks, a stone-cold killer, and a hapless burglar who knows more than is healthy for him.

"Of #1 New York Times-bestselling author Sue Grafton, NPR's Maureen Corrigan said, "Makes me wish there were more than 26 letters." With only one letter left, Grafton's many devoted readers will share that sentiment. The darkest and most disturbing case report from the files of Kinsey Millhone, Y is for Yesterday begins in 1979, when four teenage boys from an elite private school sexually assault a fourteen-year-old classmate--and film the attack....