Astrosaurs
1. Riddle of the Raptors (2005)
2. Hatching Horror (2005)
3. The Seas of Doom (2005)
4. The Mind-swap Menace (2005)
5. The Skies of Fear (2006)
6. The Space Ghosts (2006)
7. Day of the Dino-Droids (2006)
8. The Terror-Bird Trap (2006)
9. Teeth of the T-Rex (2007)
10. The Planet of Peril (2007)
11. The Star Pirates (2007)
12. The Claws of Christmas (2007)
13. The Sun-snatchers (2008)
14. Revenge of the Fang (2008)
15. The Carnivore Curse (2009)
16. The Dreams of Dread (2009)
17. The Robot Raiders (2010)
Teggs' Triple Saurus (omnibus) (2007)
Megabookasaurus! (omnibus) (2009)

One Weird Day at Freekham High
1. Thumb (2005)
2. Sock (2005)
3. Ouch (2005)
4. Pigeon (2006)

Cows in Action
Cows in Action Joke Book (2009)
1. The Ter-Moo-Nators (2007)
4. The Wild West Moo-nster (2008)
The Moo-my's Curse (2007)
The Roman Moo-stery (2007)
The Battle for Christmoos (2008)
World War Moo (2008)
The Moo-gic of Merlin (2009)
The Pirate Moo-tiny (2009)
The Moo-lympic Games (2010)
The Victorian Moo-ders (2010)

Genie (with Linda Chapman)
Genie Us (2008)
Be a Genie in Six Easy Steps (2009)
Genie and the Phoenix (2009)

Z Rex Trilogy
1. The Hunting Book (2009)
Z-Rex (2009)

Tripwire (2010) (with Chris Hunter)