How Do You Survive a Duel? How Do You Survive a Duel? And Other Mathematical Diversions, Puzzles and Brainteasers Erwin Brecher Carlton2018Hardback160pp Illustrated197x128mm 9781787390812 Product Code: 510017 Details Offering a varied workout for the grey matter, these puzzles require skills of reasoning and lateral thinking rather than the mathematics learned in s... DetailsBackDetailsOffering a varied workout for the grey matter, these puzzles require skills of reasoning and lateral thinking rather than the mathematics learned in school. For extra challenge, a set of visual-spatial questions is provided, which can be used as a 30-minute test.Read MoreRead Less publ £7.99now £3.99 Qty Qty123 Add to Basket CategoriesJigsaws/PuzzlesReferenceTagsPuzzles & quizzes