The hilarious first book in a middle-grade fantasy trilogy about the magical rivers that run through the sewers of London and shape history in ways you'd never learn in school.

Magic is real. History is a big, fat lie.
 
Before Hyacinth Hayward moves from Illinois to London, she reads up on the city’s history. Too bad for her. Because the books are wrong. The truth is, London was built on magical rivers, and all...