Product Description: This is a fantastic new science book, explaining chemistry in an informal, fun and informative way. Written in a conversational style, this book offers children an approachable source of information on key subjects such as the periodic table, atom structure and radiation...read more

A guide to puberty for boys discusses the changes that occur, covering such topics as height, skin, facial hair, the reproductive system, eating, exercise, hormones, sex, relationships, and what happens to girls during puberty.