Would a plant drink ink as happily as it would drink water? Is there anything that eats a cat? How do spiders know how to make such perfect sticky nets for catching flies? Cambridge, 1860. Bill's head is full of questions, and it always seems to get him into trouble. Especially when one of his experiments causes his father to lose his job. Bill raises a little money for his family selling interesting fossils he has found. But it's not much. Then someone else needs his help - fast. Bill has discovered something that could be the answer to his problems. But for the rest of the world, it is something that questions everything . . .