The Mystery of the Secret Room
Fatty astonishes Mr Goon with his wonderful disguises, while he tries to discover who is using Miss Crump's old house and why. Inspector Jenks will help the Five Find-Outers again. And there's a surprise for Mr Goon!
Blyton Enid
Home from School
Fatty has some Ideas
Two Thrilling Lessons
A Very Queer Boy
Clever Fatty
Fatty and Mr. Goon
An Escape - and a Surprise
A Few Plans
Old Clear-Orf is a Nuisance
Fatty Makes Inquiries
Surprising News from Miss Crump
Larry takes a Turn
Who is John Henry Smith?
Down to Milton House again
The Secret Room
A Bad Time for Fatty
The Secret Message
A Smell of Oranges
Escape - and a Shock for Mr. Goon
Inspector Jenks Takes Charge
The End of the Mystery