There are 4 books in the Who Killed Peggy Sue series.
The Who Killed Peggy Sue series does not have a new book coming out soon. The latest book, Jailbird (Book 4), was published in November 1991.
The first book in the Who Killed Peggy Sue series, Dying to Win, was published in October 1991.
The Who Killed Peggy Sue series primarily falls into the Suspense genre. This young adult series was written for ages 12-17, but can be enjoyed by adults too.