Author: Jessie BurtonCrime & mystery fiction (Children's / Teenage) | Fantasy & magical realism (Children's / Teenage) | Historical fiction (Children's / Teenage)Published on 9th April 2026 by Bloomsbury Publishing PLC (Bloomsbury Childrens Books) in the United Kingdom.Paperback / softback | 320 pages 129mm x 197mm x 24mm | 260g From the bestselling author of The Miniaturist. Jessie Burton's Hidden Treasure is the phenomenal page-turning story of two children whose lives collide when they find an ancient treasure with the power to return to them the most precious thing they have ever lost*****‘Pure magic […] the heroine feels as real as Tracy Beaker’ – The Telegraph‘It was exciting and had me on the edge of my seat’ – Jenny, age 10‘Hauntingly beautiful’ – Guardian‘A jewel of a book. An exciting and absorbing adventure story full of magic and wonder. A rare feat.’ – Katya Balen, author of October, October‘It feels like you are in the book and really shocked and amazed about what’s happening’ – Oliver, age 10‘For anybody who believes in love and magic and trying to do the right thing.’ – Abigail Dean, Bestselling author of Girl A and Day One‘Burton effortlessly combines a high-stakes mystery and characters with true emotional depth. A story that stayed with me long after turning the final page’ – A.F Steadman, author of the Skandar seriesFor the people who live on the banks of the Thames, the river is a living, breathing thing. It can take your treasures. It can hide your treasures. And, sometimes, it can give them back.Bo and Billy are two children who have never met. Billy is an orphan. Bo’s dad died when she was small and now her brother is off to war. Both children are poor, but they have each found half of a priceless treasure, given up by the river. A treasure which – when the pieces are reunited – holds the power to give back to one of them the most precious thing they have ever lost.But should the treasure be put back together again? And why has the river given it up now?For fans of Katherine Rundell and Philip Pullman's The Ruby in the Smoke, Hidden Treasure is a classic in the making, with a rip-roaring plot, spine-tingling twists and an unforgettable cast of characters.‘A glorious, glittering story that shines with magic, friendship and wonder. Unmissable.’ – Pari Thomson, author of Greenwild: The World Behind the Door‘I loved how heartfelt this book made me feel’ – Aarvin, age 10‘What a gift of a book. Jessie Burton hits the absolute sweet spot of peril and joy, of adventure and delicious detail, with characters that felt absolutely real to me. It’s a future classic.’ – Francesca Segal, author of The Innocents.‘Captivating, magical, Jessie Burton’s Hidden Treasure sweeps you up and holds you entranced until the end.’ – Kate Williams, British Historian and Author‘Stunning, so finely crafted it’s as if the author found it shaped and complete like a treasure itself’ – Hilary McKay‘A gripping, high-stakes mystery with so much heart, I loved it’ – Elodie Harper, author of The Wolf Den‘A beautiful and moving story’ – Louise O’Neil‘Totally transporting and beguiling, Hidden Treasure sweeps you up in its tide and releases you feeling like you’ve discovered treasure’ – Stacey Halls, author of The Familiar
