The Secret Mountain

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...

The Secret of Spiggy Holes

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...

The Secret Island

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...

The Mystery of the Strange Messages

Who is responsible for the strange messages that keep turning up up for Mr Goon? Are Mr and Mrs Smith involved and does Mrs Hicks know more than she appears to? Fatty and the gang are determined to find out.

The Mystery of the Missing Man

A dangerous criminal is on the run—and he is also the master of disguise! Could it be Mr Tolling? Or do the Fangio twins know the culprit's real indentity? The Five Find-Outers and Dog aim to find out...with a little help from Eunice.