Utterly thrilled to reveal the cover of #ABoxFullofMurders 🕵️‍♀️ Luke and Ava find a mysterious box in their dad’s attic. In it are documents that could solve a murder… can you work out who did it? 🔎 Beautifully illustrated by Marta Kissi 🥰 Out 5 June from Puffin Books 🏕️ Pre-Order now! #booksky