Dare you step into the shadows once again? The epic blockbuster adventure continues!
Tom and his new friends from Beaufort’s School for Deceptive Arts are taken on a treasure-hunting trip to a private island in the Mediterranean once owned by the great villain himself, the Duke of Nimes. The Duke is said to have hidden a spectacular treasure in the warrens, tunnels and caves that pepper the island – as well as a terrifying weapon.
Will Tom’s street-smarts keep him and his friends alive as they chase down the treasure? And who are the deadly double agents that are sabotaging everything?
Trust no one. This is not a game.
Winner of the Barnes & Noble Children’s & YA Book Award 2026
The instant New York Times bestseller
Nominated for The Carnegie Medal for Writing 2026
One of Amazon’s Top 10 Books of 2025
Thirteen-year-old Tom Morgan and his friends live on the streets of an alternate London, shining shoes and picking pockets – until one day Tom’s friends are caught and sent to a brutal workhouse.
Frantic and without a way to save them, Tom bumps into the mysterious Corsair, who offers him an opportunity to train at an elite international boarding school for thieves. Seeing a glimmer of hope, Tom lets himself be whisked away to the snowy Alps in a zeppelin. Swept into a thrilling world of danger and intrigue, the more secrets he learns about the Shadow League, the harder it becomes for Tom to leave. But there are dark forces at work and real danger is coming…
Can Tom save his fellow pupils from disaster – and ever be able to get home again to rescue his friends?
Get ready for the stunning debut in what is guaranteed to become every reader’s favourite new series! Heart-pounding adventure, thrilling heists, remote boarding schools full of ancient secrets waiting to be discovered and much, much more . . .
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