10 books in series

Uncollected

Uncollected is a 9-book series with 10 primary works first released in 1985 with contributions by Paul Jennings.

Unbelievable!
Thirteen Unpredictable Tales
Unseen!
Cover 3

Unreal! The Ultimate Collection

Unreal!
Uncollected Vol 1: Unreal, Unbelievable and Quirky Tales
Quirky Tails
Uncovered!
Unbelievable!: More Surprising Stories
Cover 0

Unbearable