Jason and Justin have a new babysitter - Fred. He's had some trouble with the law, thanks to a guy named Beefy, but he sure is fun to be with. Sometimes, though, being with Fred can be serious - and dangerous.
Used availability for Paul Kropp's Justin, Jay-jay and the Juvenile Dinkent
1986 : USA Paperback
Title: Justin, Jay-jay and the Juvenile Dinkent
Author(s): Paul Kropp
ISBN: 0-590-71675-1 / 978-0-590-71675-8 (USA edition)