sentences: "Mad Grandad's Flying Saucer" (2003), O'Brien Press (for 6+)
  9780862788223
  
  "Mad Grandad's Robot Garden" (2003), O'Brien (for 6+)
  9780862788216
  
  "The Gods And Their Machines" (2004), O'Brien (novel)
  9780862788339
  
  "The Harvest Tide Project" (2004), O'Brien (novel)
  9780862788346
  
  "Under Fragile Stone" (2005), O'Brien (novel)
  9780862788353
  
  "Mad Grandad and the Mutant River" (2005), O'Brien (for 6+)
  9780862789398
  
  "Mad Grandad and the Kleptoes" (2005), O'Brien (for 6+)
  9780862789381
  
  "Small-Minded Giants" (2006), Random House (novel)
  9780552554732
  
  "The Evil Hairdo" (2006), O'Brien (for 8+)
  9780862789404
  
  "The Poison Factory" (2006), O'Brien (for 8+)
  9780862789411
  
  "Ancient Appetites" (2007), Random House (first novel in The Wildenstern Saga)
  9780552554992
  
  "Mad Grandad's Wicked Pictures" (2007), O'Brien Press (for 6+)
  9781847170637
  
  "The Goblin of Tara" (2007), Barrington Stoke (illustrated novella for reluctant readers)
  9781842995143
  
  "Strangled Silence" (2008), Random House (novel)
  9780552558624
  
  "Wired Teeth" (2008), O'Brien (for 8+)
  9781847170033
  
  "The Wisdom of Dead Men" (2009), Random House (second novel in The Wildenstern Saga)
  9780552558655
  
  "The Evil Eye" (2009), Barrington Stoke (illustrated novella for reluctant readers)
  9781842996317
  
  "The Baby Giant" (2009), O'Brien (for 5+)
  9781847170880
  
  "Armouron