This series of gamebooks is where my writing career began and to date I've written seven Fighting Fantasy titles. Howl of the Werewolf topped a recent fan survey as the fan favourite whilst my most recent, Night of the Necromancer, has garnered great reviews from all over the place.
I've written six novels in total for the Black Library - three Warhammer and three 40K, two of which have recently been re-issued as The Armageddon Omnibus. To date I have also written fifteen short stories set within the two Games Workshop universes.
I'm currently plotting the eighth Ulysses Quicksilver adventure, which - along with the six novellas I've written - will bring my contribution to the steampunk alternative history sci-fi series I created to close on three quarters of a million words.
I've recently finished my second official Doctor Who tie-in. The first, The Horror of Howling Hill was a gamebook (of sorts) but Terrible Lizards is a fully-fledged chapter book.
Other tie-in work
I've also written for Star Wars The Clone Wars, Teenage Mutant Ninja Turtles and Sonic the Hedgehog.
I've penned four non-fiction books so far (with hopefully more to come) that have been published in different editions around the world. I'm probably most well-known in this field for my Christmas books.