Dive into the unmissable first children's murder mystery from number-one-bestselling author Janice Hallett, perfect for young sleuths aged 9 to 13. This interactive adventure puts you in the detective's seat as Ava and Luke uncover a decades-old, unsolved murder mystery hidden within a mysterious box of papers.

Shortlisted for The Week Junior Book Awards 2026 (Children's Book of the Year: Breakthrough Category) and the Books Are My Bag Readers Awards 2025 (Children’s Fiction Category), this book is hailed as 'Pure catnip for budding young sleuths' by The Telegraph.

• Interactive adventure where YOU have all the clues to solve the mystery.
• First book in the 'A Box Full of Murders' series.
• Written by Janice Hallett, author of The Appeal.
• Engaging mystery perfect for fans of Robin Stevens and Rhian Tracey.
• New store stock available.

• One paperback book: A Box Full of Murders (Book 1 of 2).
• Includes letters, diary entries, newspaper cuttings, and secret recordings to examine.

• Author: Janice Hallett
• Brand/Publisher: Puffin
• Binding: Paperback
• Language: English
• Print Length: 464 pages
• Reading Age: 9 - 13 years
• ISBN-10: 0241636183
• ISBN-13: 978-0241636183
• Dimensions: 129 x 35 x 198mm
• Weight: 500 g
• Release Date: June 5, 2025

When Ava and Luke find a box containing historical documents, they begin piecing together an old murder. As you review the evidence—letters, diaries, cuttings, and recordings—you must determine if the killer is still out there. Can you crack the case before the characters do?

Look forward to DEATH AT THE MUSEUM, the next installment in the series, coming June 2026!