As author and illustrator

• The Little Nut Tree (1993)
• My Little Princess (1994)
• Playtime Rhymes (1995)
• A Book of Princesses (1997)
• The Strongest Girl in the World (1999)
• The Fairy Catalogue (2000)
• The Smallest Girl Ever (2000)
• The Boy Who Could Fly (2001)
• The Glass Heart (2001)
• Mama, Don't Go Out Tonight (2002)
• The Invisible Boy (2002)
• Boolar's Big Day Out (2003)
• Fairy Shopping (2003)
• The Boy with the Magic Numbers (2003)
• The Countess's Calamity (2003)
• A Hoof in the Door (2005)
• The Boy with the Lightning Feet (2006)

As author only

• The Glass Heart (2001)
• I, Coriander (2005)
• Lucy Willow (2006)
• The Red Necklace (2007)
• The Silver Blade (2008)

As illustrator only

• Robert and the Giant (1990)
• Suzi, Sam, George & Alice (1993)
• The Ultimate Book of Giants (1996)
• Hello? Is Anybody There? (1997)
• The Real Fairy Storybook (1998)
• Polly's Running Away Book (2000)
• Polly's Absolutely Worst Birthday Book Ever (2001)
• Polly's Really Secret Diary (2002)

• 2003 The Countess's Calamity won the Nestlé Children's Book Prize Bronze Award and the Kids' Club Award
• 2005 I, Coriander won the Nestlé Children's Book Prize Gold Award
• 2005 I, Coriander longlisted for the Carnegie Medal
• 2006 I, Coriander shortlisted for the British Children's Book of the Year
• 2007 I, Coriander shortlisted for the Stockton Children's Book of the Year