How do scientists see into space? How do we know what the dinosaurs looked like? How do chameleons change colour? How do bugs walk on walls? How do bones grow? How do keys open locks? Featuring compelling questions about space, Earth, machines, vehicles, buildings, animals and the human body, this magnificent book provides answers for every inquisitive child. By encouraging children to question how things are happening in the world around us, First Big Book of How supports STEAM learning and nurtures curious minds. With stunning photography and gorgeous original illustrations by Kate Slater, including a host of helpful and friendly diagrams, this is the ultimate gift for kids who need to know everything – and now!