"Welcome to FACTopia, a world of perfectly amazing facts, all of which are verified by Encyclopaedia Britannica! Every fact in the book is connected to the next in an ingenious trail of information. Hop from topic to topic in unexpected and hilarious ways, and discover extraordinary facts about space, bones, dinosaurs, goats, spiders, crocodiles, sharks, robots, Ancient Rome, kings and queens, pharaohs, and more. But there's not just one trail through...