Kingdom Hearts, Part Two: What You Leave Behind is the seventh official story in author William Raymer's Chipmunk Tour Saga series of stories (and the second installment in the three-part series-ending Kingdom Hearts trilogy). Writing on this story began and ended in 2009. It is a cross-over between Alvin and the Chipmunks and the on-going animated TV series Star Wars: The Clone Wars. It also picks up during the final scene of Kingdom Hearts, Part One: Turnabout Intruder.