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

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

A 2021 Mathical Honor Book: “One of the best math teachers on the planet. His book is as buoyant, open-hearted, and energetic as he is.” —Steven Strogatz,

A bumper book of fun with maths stuffed with things to draw, puzzle, invent, order, unscramble, code, decode for kids aged 7+ years from Australia's best known

A biographical novel in verse of seven girls from different time periods who used math to explore the mysteries of the universe and grew up to do innovate work