肚脐有什么用途？我的声音什么时候会变沉？我为什么要上床睡觉？好奇的孩子们可以在这本有趣的书中找到有关成长和青春期，荷尔蒙分泌等等的信息，有超过60个翻翻可以揭开看看答案是什么。是一本有关于应对成长的实用小贴士之书。

What's the point of belly buttons? When will my voice go deep? Why do I have to go to bed? Curious children can find out about growing up and puberty, hormones, periods, shaving and much more in this entertaining book with over 60 flaps to lift. There are helpful tips on coping with growing up, and links to websites with more information, too.