Title: Warriors: The Ultimate Guide, Author: Erin Hunter
Title: Code of the Clans (Warriors Series), Author: Erin Hunter
Title: Cats of the Clans (Warriors Series), Author: Erin Hunter
Title: Secrets of the Clans (Warriors Field Guide Series), Author: Erin Hunter
Title: Battles of the Clans (Warriors Series), Author: Erin Hunter
Title: Enter the Clans, Author: Erin Hunter