- The apartment bookLeo Hartas
- Haunted CastleLeo Hartas
- How to Draw and Sell Digital CartoonsLeo Hartas
- The art of game worldsDave Morris, Leo Hartas
- The Art of Game CharactersLeo Hartas
- Sam Silver : Undercover Pirate : KidnappedJan Burchett, Sara Vogler et al.
- Role-playing gamesDave Morris, Leo Hartas
- Game artLeo Hartas, Dave Morris
- The art of game charactersDave Morris, Leo Hartas
- Classic CollectionSaviour Pirotta, Leo Hartas
- "Tweenies" (Tweenies Storybook)Leo Hartas
- Kidnap at Denton FarmRobert Swindells, Leo Hartas
