The KnowHow book of action games
The knowhow book of action toys
The knowhow book of batteries and magnets
The knowhow book of detection
The knowhow book of experiments
The knowhow book of fishing
The knowhow book of flying models
The knowhow book of jokes and tricks
The KnowHow book of paper fun
The Knowhow book of puppets
The knowhow book of spycraft
Usborne knowhow omnibus. Volume one six Usborne books in one