Mark Janssen is a master in creating worlds where everything is possible. Previously we joined two brothers on a dinosaur hunt in a magical forest in Dinos Don't Exist and travelled the oceans on the back of a giant turtle in Island.This time Mark Janssen invites us to help two sisters who want to get rid of a trolley full of what seems to be rubbish. But on their way, big scary monsters try to stop them... What are these terrifying creatures after? Will the girls manage to defy them? Find out in this thrilling, fun picture book, that features just one word: Stop! From the author of I Want a Lion.