Jennings decides to build huts out of reeds and branches. He and Darbishire are thrilled with them. They include a patented ventilating shaft, a special drainage canal and a pontoon suspension bridge! Things go horribly wrong when he is put in charge of Elmer, the treasured goldfish, and even worse when the Head visits. Gruesome hornswoggler!

Linbury goes green, and Jennings and Darbishire offer to do their bit distributing leaflets. Darbishire's shoelace refuses to stay tied and Jennings removes the rubber band holding the leaflets. All seems fine until a gust of wind hurls them over Marina Gardens. It's poor Mr Wilkins who's going to get the blame. 'Addle-pated eyewash!'

Jennings is suffering from beginning-of-term-itis, but things soon return to total mayhem when his new diary is made public property! Alarmed at his private thoughts being made public, he decides to invent a secret language. When the precious diary goes missing, however, Jennings finds himself on the wrong side of the law! Relggowsnroh emoseurg!

Set in an English preparatory school, recounts the comical adventures of Jennings.

'Right! Stand by for orders. I'm going to take charge. This is one of my foolproof plans. It can't possibly go wrong!' Term is over and Jennings is to stay with his aunt. There, Emma needs to hide her collection of stray animals. Jennings comes up with a flawless plan, but with Jennings things can go disastrously wrong! 'Fossilised fish-hooks!'

Climbing onto the school roof to recover a ball, Jennings and Darbishire find themselves stuck and break into an attic. Then Jennings wins a pig at a parish fete, and unable to find a more suitable owner, he decides to hide it in the school potting-shed. 'Jumbo-jet of a hoo-hah'

The boys at Linbury Court Prep are eager to speed up space travel. Jennings' task is to find a suitable helmet. But is it really a good idea to take a dome-shaped glass-case, which housed a stuffed woodpecker? Petrified paintpots! Jennings and Darbishire's luck is in when they attempt to apprehend a suspected burglar? Bat-witted clodpoll!

Jennings turns journalist when he receives a printing kit for his birthday, and dubs himself editor of the Form Three Times.

When Jennings is inspired to take up a career as a detective, with faithful Darbishire as his assistant, trouble is bound to be just around the corner. Their first mission - to recover a 'stolen' sports cup, is the first bungled attempt to imitate super sleuth Sherlock Holmes. Frightful bish! Crystallised cheesecakes!

'Ah, yes! Jennings - as usual - it always is' Jennings accidentally sets his rubber on fire. 'The High Fidelity Telephonic Communication' (or two tins and a piece of string); the 'Affair of the Assistant Masterpiece' and Jennings as a musical prodigy. Old Wilkie is definitely not going to get the peace and quiet he was hoping for. 'Mouldy chizz!'