How often do you wash your hands? When did you last scrub your nails? And did you brush your hair this morning? Keeping clean takes up a lot of time and energy, so why do we have to do it? Find the answer in this lively exploration of personal hygiene, both human and animal - perfect for anyone who needs a little convincing about the need to Wash, Scrub, Brush! The Wonderwise series presents facts in a way that will inspire young children's imaginations about the world around them.