Have you ever wondered why a rainbow is curved? Or why left-handers aren't extinct? How a sunflower is like a synchronised swimmer, or a lightning bolt is like

2021 Mathical Honor Book Why aren’t left-handers extinct? What makes a rainbow round? How is a pancreas . . . like a pendulum? Publisher's note: It's a Number

This excellent book, written by the established author David Acheson, makes mathematics accessible to everyone. Providing an entertaining and witty overview of

If you found maths lessons at school irrelevant and boring, that’s because you didn’t have a teacher like Bobby Seagull. ***As seen on Monkman & Seagull's G

Do high-speed, complicated arithmetic in your head using the Trachtenberg Speed System. Ever find yourself struggling to check a bill or a payslip? With The Tra