Born and raised in Grimsby, but now lives and works in Edinburgh. A former truck driver and pizza restaurant waiter, he is now a full-time writer.
His first novel Creepers was published in 1996, and was shortlisted for the Guardian Children’s Fiction Prize; he was also shortlisted in 2002 for Warehouse which won him the 2003 Angus Book Award. He was first inspired to write after reading Robert Westall’s The Machine Gunners, and has 12 published novels.
Gray regularly reviews teenage fiction for The Guardian and The Scotsman newspapers, and was the first ever Scottish Book Trust Virtual Writer in Residence. He lives in Edinburgh with his partner Jasmine and a parrot called Bellamy.