Do you know where in the world you can buy drinkable gold; why an 'elephant's foot' is one of the most dangerous objects in the world; or where you might have to swim to school? Discover the answers to these questions and loads more mindblowing facts in The Cities Book, where readers aged 8+ are taken on an incredible world tour through 86 of the world's greatest cities. Sister title to the bestselling The Travel Book, every...