James Valentine is a broadcaster for ABC radio in Sydney, Australia. The JumpMan books are his first for children. He has also written for Rolling Stone, Vogue, and the Sydney Morning Herald and is a musician who recorded two number-one hits and a number of platinum albums with the Models. James lives with his wife, Joanne, and two children, Ruby and Roy, just outside Sydney. Librarian Note: There is more than one author in the Goodreads database with this name.