Books By Derek Smith

Inspired by the world-famous Haynes Manuals, this book explains how Bob the Builder's friends – machines such as Scoop, Muck, Roley and Lofty – work and how they help Bob to get...

Following the success of the Cracking Contraptions Manual, Wallace has pulled the dust sheets off a further 20 of his ingenious inventions, from the Mind Manipulation-O-Matic and Bun Vac 6000 (Curse of...