
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.

Four runaways, Mike, Peggy, Nora and Jack, find a secret hiding place—a deserted island on a lovely lake. They build a willow-tree house, make their beds of heather and bracken, and grow their own vegetables. And Jack even manages to bring his cow, Daisy, and some hens to the island for fresh milk and eggs every day! But one day invaders come to the secret island...

What excitement for Mike, Jack, Nora and Peggy when they discover the secret caves and passages of Spiggy Holes! And when they find out that a kidnapped prince is being held captive in the old house above the caves, they're in the grips of another adventure! The boys attempt to free the prince in the dead of the night—but Mike is caught and he, too, is taken prisoner...

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!

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.

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!

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!

Prince Paul, Jack, Peggy, Nora and Mike have come to Africa on what seems an impossible search. Yet they mustn't give it up because Captain and Mrs. Arnold have been kidnapped and taken to the Secret Mountain. But where is the mountain? And who are the strange red-haired people who live there? Their rescue expedition seems destined to fail, until they meet young Mafumu…

When Tom, Jill and Mary go to stay at a little fishing village in Scotland, the local fisherman's lad, Andy, promises to take them out in his boat. But a storm takes them off course and they end up shipwrecked on a small group of islands! Worse, it seems the islands are being used as a secret submarine base by the enemy…

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!