JJ Arcanjo

JJ Arcanjo is a half-Portuguese, half-English writer who grew up between the Algarve and Devon. He has a degree in Criminology and Psychology from Aberystwyth University and a Masters in Creative Writing and Publishing from City University, London, and currently works in Editorial at Bloomsbury Publishing. He’s published two crime novels for adults.

He is the author of the CROOKHAVEN series for children, which so far includes THE SCHOOL FOR THIEVES, THE FORGOTTEN MAZE, THE ISLAND HEIST and THE IMPOSSIBLE FORTRESS. The fifth and final book in the series will be published by Hachette in August 2025. The series has sold in over 16 languages to date.