Animal Ark
1. Kittens in the Kitchen (1994)
2. Pony in the Porch (1994)
3. Puppies in the Pantry (1994)
4. Goat in the Garden (1994)
5. Hedgehogs in the Hall (1994)
6. Badger in the Basement (1994)
7. Cub in the Cupboard (1996)
8. Piglet in a Playpen (1994)
9. Owl in the Office (1995)
10. Lamb in the Laundry (1995)
11. Bunnies in the Bathroom (1995)
12. Donkey On The Doorstep (1995)
13. Hamster in a Hamper (1996)
14. Goose on the Loose (1996)
15. Calf in the Cottage (1996)
16. Koala in a Crisis (1997)
17. Wombat in the Wild (1997)
18. Roo on the Rock (1996)
19. Squirrels in the School (1996)
20. Guinea Pig in the Garage (1997)
21. Fawn in the Forest (1997)
22. Shetland in the Shed (1997)
23. Swan in the Swim (1997)
24. Lion By the Lake (1997)
25. Elephants In The East (1997)
26. Monkeys On the Mountain (1997)
27. Dog at the Door (1997)
28. Foals in the Field (1997)
29. Sheep at the Show (1998)
30. Racoons On the Roof (1998)
31. Dolphin in the Deep (2000)
32. Bears in the Barn (1998)
33. Otter in the Outhouse (1998)
34. Whale in the Waves (1998)
35. Hound at the Hospital (1998)
36. Rabbits On the Run (1998)
37. Horse in the House (1998)
38. Panda in the Park (1999)
39. Tiger On The Track (1999)
40. Gorilla in the Glade (1996)
41. Tabby in the Tub (2003)
42. Chinchilla Up the Chimney (1999)
43. Puppy in a Puddle (1999)
44. Leopard At the Lodge (2000)
45. Giraffe in a Jam (2000)
46. Hippo in a Hole (2000)
47. Foxes on the Farm (2000)
48. Badgers By the Bridge (2000)
49. Deer on the Drive (2000)
50. Animals in the Ark (2001)
51. Mare in the Meadow (2001)
52. Cats in a Caravan (2001)
53. Polars On the Path (2002)
54. Seals On the Sled (2002)
55. Husky in a Hut (2002)
56. Beagle in the Basket (2002)
57. Bunny On a Barge (2002)
58. Guinea-pigs in the Greenhouse (2002)
59. Dalmatian in the Dales (2002)
60. Lambs in the Lane (2003)

Animal Ark Holiday Special
1. Sheepdog in the Snow (1995)
1. Seal on the Shore (1997)
3. Fox in the Frost (1997)
4. Hamster in the Holly (1998)
5. Pony in the Post (1999)
12. Porpoise in the Pool (2001)
Pig's Picnic (1999)
Mouse in the Mistletoe (2000)
Pup At the Palace (2000)
Cat in the Candlelight (2002)
Kitten Kisses (2002)
Stallion In The Stable (2002)
Racehorse in the Rain (2004)
Siamese in the Sun (2004)
Kitten in the Cold (2005)
Labrador On the Lawn (2005)

Animal Ark Pets
1. Puppy Puzzle (1999)
2. Kitten Crowd (1999)
3. Rabbit Race (1996)
4. Hamster Hotel (1996)
5. Mouse Magic (1997)
6. Chick Challenge (1997)
7. Pony Parade (1997)
8. Guinea Pig Gang (1997)
9. Gerbil Genius (1998)
10. Duckling Diary (1998)
11. Lambs Lessons (1998)
12. Doggy Dare (1998)
14. Hedgehog Home (1999)
15. Frog Friends (1999)
16. Bunny Bonanza (1999)
17. Ferret Fun (1999)
18. Rat Riddle (1999)
22. Cat's Cradle (1999)
23. Piglet Pranks (2000)
24. Spaniel Surprise (2000)

Jess: The Border Collie
1. The Arrival (1998)
2. The Challenge (1998)
3. The Runaway (1998)
4. The Betrayal (1999)
5. The Sacrifice (1999)
6. The Homecoming (1999)
7. The Discovery (2000)
8. The Gift (2000)
9. The Promise (2000)
Arrival / Challenge / Runaway (omnibus) (2002)
The Discovery Trilogy (omnibus) (2002)
Homecoming / Discovery / Gift (omnibus) (2002)

Nine Lives
1. The Return of Ginger, Nutmeg and Clove (2001)
2. Emerald, Amber and Jet (1999)
2. The Return of Daisy, Buttercup and Weed (2001)
3. The Return of Emerald, Amber and Jet (2001)
Daisy, Buttercup and Weed (1999)
Ginger, Nutmeg and Clove (1999)
The Nine Lives Collection (omnibus) (2001)

Animal Ark Hauntings
1. Stallion in the Storm (1999)
2. Cat in the Crypt (1999)
3. Dog in the Dungeon (1999)
4. Colt in the Cave (2000)
5. Foal in the Fog (2001)
6. Hound on the Heath (2000)
7. Wolf at the Window (2000)
8. Deer in the Darkness (2001)
9. Cats in the Castle (2001)

Horseshoe Trilogies
1. Keeping Faith (2000)
2. Last Hope (1999)
3. Sweet Charity (2002)
4. In Good Faith (2003)
5. Where There's Hope (2003)
6. Charity Begins At Home (2003)
7. Leap of Faith (2004)
8. Full of Hope (2004)
9. Charity's Gift (2004)
Perfect Ponies: Keeping Faith / Last Hope / Sweet Charity (omnibus) (1999)

Dolphin Diaries
1. Into the Blue (2000)
2. Touching the Waves (2000)
3. Riding the Storm (2000)
4. Under the Stars (2000)
5. Chasing the Dream (2001)
Dancing the Seas: Summer Special (2001)
Racing the Wind (2001)
Beyond the Sunrise (2003)
Leaving the Shallows (2003)

Little Animal Ark
1. The Playful Puppy (2007)
2. The Curious Kitten (2001)
3. The Midnight Mouse (2001)
3. Little Animal Ark (2009)
4. The Brave Bunny (2007)
5. The Clever Cat (2007)
6. The Party Pony (2007)
7. The Lucky Lamb (2002)
8. The Cheeky Chick (2007)
9. The Happy Hamster (2002)
10. The Proud Piglet (2007)
11. The Fearless Fox (2007)
12. The Friendly Foal (2007)

Safari Summer
4. Chase (2004)
5. Instinct (2004)
6. Howl (2004)
Hunted (2003)
Pride (2003)
Tusk (2003)

Little Dolphin
1. Hattie's New House (2004)
2. Party Time for Poppy! (2004)
3. Sammy's Secret (2005)
4. Fergal's Flippers (2005)
5. Oscar's Best Friends (2004)
6. Milo's Big Mistake (2004)

The Book of Balanced Living (2002) (with Lucy McCarraher)