If maths feels like a vicious circle and you know you need to get your brain in shape, you need to read Murderous Maths! Are you perplexed by polygons and addled by angles? Do you feel cornered by squares? Do you sometimes wonder where to stick your compasses? Then maybe this book can help! You\'ll learn why the US defence headquarters is a pentagon and lots of other tricks, tips and shortcuts to shapes they don\'t teach at school. It\'s time to shape up your geometry skills! Product Information: • ISBN: 9781407107103 • Author: Kjartan Poskitt, Philip Reeve • Publisher: Scholastic  • Format: Paperback • Pages: 160 • Dimensions: 19.8 x 12.9 x 1 cm