Horten’s Miraculous Mechanisms by Lissa Evans (author) (US edition)

A secret magical workshop. A bizarre riddle. A fantasy to thrill you to the bone. Think Willy Wonka’s chocolate factory – with clockwork. Every page brings another strange and wonderful turn. Stuart Horten is moving to London, far away from all his friends. But on his very first day in his new home, Stuart is swept up in a quest to find his great-uncle Tony: a famous magician and inventor who disappeared off the face of the Earth. Before long, Stuart is finding clues, combing through old newspapers, and trying to solve the mystery with the triplets next door. But danger is afoot. A rival magician is also on the hunt for Tony’s legendary magic workshop…