What on Earth Stickerbooks tell giant stories using stickers on a timeline. This one is all about the amazing story of life on Earth from the tiniest living thing, a bacteria, 4 billion years ago, all the way to human beings today. It can be unfolded and spread out on a table, stretched across the floor or even stuck up on a wall. To make your own stickerbook version of the story of life on Earth just unfold the timeline attached to inside back cover and stick more than 100 stickers in the right ...