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?
Read Mouse Heart free for 7 days. £7.99/month after — less than a paperback.
A library hand-picked by an English teacher, delivered through a calm, ad-free app. If your child already loves reading, we keep up.
7-day free trial. Then £7.99/month.
© Copyright 2026 Readingmate Ltd