Matilda Wormwood is a genius - her brain fizzes and bubbles with brilliance. She outwits her gruesome parents, and even her terrifying head teacher, the monstrous Miss Trunchbull. You too can baffle, bewilder and bamboozle your friends and family! Astound them with feats of calculation, scientific miracles, incredible creativity and fiendishly clever tricks, all with simple, step-by-step instructions. Inspired by Roald Dahl's terrific tale Matilda, this is the perfect book for budding brainboxes everywhere!