Book Review, Middle Grade Fiction

The Mystery of Treason Castle by Julia Golding

Fans of The Traitors, young and old, will be completely captivated by The Mystery of Treason Castle! Who doesn’t want to play the game themselves and face challenges as either an “innocent” or a “murderer”? In this thrilling story, readers play along with young Jenny Twistle and her charming dog, Ruff. She has been selected as one of thirteen children to play a game of secrets and lies in an ancient castle on a remote island in an attempt to win prize money for themselves and their community. The game’s host, an eccentric billionaire, isn’t going to make this easy for them!

The premise of the game becomes frighteningly real when the children discover an actual murder. Is someone trying to kill the game’s host ? Are they all in danger? Can they look past the game to work out who they can trust? Prejudice and just plain nastiness about Jenny’s home region, Scragland, put her at a definite disadvantage. Pitied and snubbed by the others, she’ll need to use her creativity and quick wits to solve clues, make friends and stay one step ahead of everyone else.

The Mystery of Treason Castle is among the very best books of 2026. Tantalizingly thought-provoking with a fresh and relevant premise alongside appealing characters and endless twists make it an outstanding read aloud for home or school and a deliciously enticing independent read for confident readers age 9+. Publishing 31st December 2026, I only wish it was available in time for Christmas gifts!

Thank you to Usborne for an early read of this brilliant book!

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