This atmospheric thriller, full of daring stunts and sinister villains, is perfect escapism for 9+ readers. Mouse, a foundling, loves her pieced-together family at the Moth Theatre fiercely. When their leading man, Walter, is wrongly arrested for murder, Mouse swears she'll free him. But another member of the cast has a secret identity ­- as a ruthless killer. As Mouse's investigation leads her ever closer to their true, deadly nature, can she outwit them without losing everything she holds dear? A masterfully told adventure from the acclaimed author of The Boy Who Flew and Murder in Midwinter, Mouse Heart is ideal for fans of Philip Pullman, Katherine Rundell and Philip Reeve.