Kinsey reluctantly takes on the case of a missing doctor whose ex-wife is convinced that he ran off from his current wife--and while theories abound as Kinsey investigates, facts run slim.

Kinsey Millhone agrees to help Michael Sutton locate a grave he discovered 21 years earlier, but as the investigation unfolds, Kinsey discovers Michael has an uneasy relationship with the truth.

"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 two letters left, Grafton's many devoted readers will share that sentiment. X: The number ten. An unknown quantity. A mistake. A cross. A kiss. X: The shortest entry in Webster's Unabridged. Derived from Greek and Latin and commonly found in science, medicine, and religion. The most graphically dramatic letter....

"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....