Erin Hunter
Pen name for authors of fantasy novels
Erin Hunter is a collective pseudonym used by authors affiliated with HarperCollins publishing company and Working Partners, a London-based firm. The affiliated writers include Victoria Holmes, Kate Cary, Cherith Baldry, Clarissa Hutton, Inbali Iserles, Tui T. Sutherland, Rosie Best, and Conrad Mason in the writing of several children's fantasy novel series which focus on animals and their adventures. Notable works include the Warriors, Seekers, Survivors, Bravelands, Bamboo Kingdom, and Renegades book series. For each book, Holmes creates the plot and the others take turns writing the books. Dan Jolley, though not an official Erin Hunter author, also writes the stories for manga published under the Hunter name. James L. Barry, Bettina M. Kurkoski, and Don Hudson are included under the pseudonym as the illustrators of the Warriors mangas. Natalie Riess, Sara Goetter, and Sammy Savos are also included as the illustrators of the graphic novel adaptation of The Prophecies Begin and The New Prophecy, as well as Gibson Twist, who wrote for some of the graphic novel adaptations.
via WikipediaBooks (22)
Firestar's Quest
Book 1

Into the Wild
Book 1
The Fourth Apprentice
Book 1
Dark River
Book 2

Fading Echoes
Book 2

Fire and Ice
Book 2
Great Bear Lake
Book 2

Moonrise
Book 2
Eclipse
Book 3

Forest of Secrets
Book 3
Night Whispers
Book 3

Outcast
Book 3

Smoke Mountain
Book 3

Starlight
Book 4

A Dangerous Path
Book 5
Long Shadows
Book 5
The Darkest Hour
Book 6
Dawn
Book 9
Sunrise
Book 18
Cats of the Clans

Rising Storm (Warriors, Book 4)

SUNSET (Warriors: The New Prophecy, Book 6)