A story of the location of shipwrecked treasure (gold ingots) being hunted down by 4 children George, Julian, Dick and Ann (sic) and their dog Tim up against a couple of machinating baddies...

The ex-girlfriend of a German fugitive hides with the captain and crew of a ship on the Rhine.

A bunch of kids beat a nasty old antique dealer to a hidden treasure chest left by a fleeing Cavalier.

The boys of Melbury Primary School are plunged into turmoil when the new French Master turns out to be a Mistress! Madelin Leforge's (the French Mistress) effect on the boys is swift and amazing. Suddenly everyone wants extra French Lessons just to glimpse the teacher in revealing shorts and bikinis. As discipline crumbles, a scandal explodes when the Head discovers the mademoiselle's mother was an old flame. Madeline must be dismissed to save further embarrassments.

A boy and girl find true love for each other and escape from boredom and crime.