Who could have set fire to Mr Hick's cottage? The suspects include a tramp and even the housekeeper, Mrs Minns. The Five Find-Outers and Dog aim to solve the mystery before Mr Goon, the grumpy policeman.

Luke was working in the garden when Lady Candling's valuable cat was stolen. But could it have been the cat's carer, Miss Harmer, or even Lady Candling's companion Miss Trimble? The Five Find-Outers and Dog are on the case!

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!

Someone is sending spiteful letters. Gladys and Mrs Moon are terribly upset. There are lots of suspects it could be gossipy Miss Tittle or Old Nosey, a very curious man. The Five Find-Outers and Dog will find the culprit!

Fatty's disguises are better than ever. No one recognises him as a balloon seller, or as the old man in the village. Burglaries are going on and the police are baffled. It's a new mystery for the Five Find-Outers and Dog!