From the multi-award-winning author of Midwinterblood and Floodland comes a suspenseful, gripping tale about teen life and relationships, exploring our wavering connection to the world around us.WRATH: extreme anger or rageCassie Cotton has always been unusual, a bit different but this only makes her more intriguing to her classmate Fitz.Cassie can hear a noise that most people don't notice or recognise, and she believes it's a sound that shows the Earth is in distress, damaged by human activity that is causing climate change.When this belief leads to her being ridiculed and bullied at school, Cassie disappears. Fitz is determined to find her, but he has no idea where to start looking, or if he'll be in time to help her...

Marcus Sedgwick is the bestselling author of over 40 books for adults and young people, including Midwinterblood and The Monsters We Deserve. He has won multiple prestigious awards, including the Michael L. Printz Award, the Branford-Boase Award, the BookTrust Teenage Prize and the Blue Peter Book Award, and has been shortlisted for over 40 others, including the Carnegie Medal and the Guardian Children's Fiction Prize. Marcus has been announced as one of the two UK nominations for the 2022 Hans Christian Andersen Award.