Enid Blyton's Mysteries: The Mystery of the Spiteful Letters, The Mystery of the Missing Necklace, The Mystery of the Hidden House (Vol 2)

In this collection of Enid Blyton mystery stories, the Five Find-Outers - Larry, Daisy, Pip, Bets and Fatty, not forgetting Buster the dog - solve three mysteries, in spite of the efforts of PC Goon to stop them.