Erin Hunter 
Warriors: Enter the Clans 

Discover the secrets of Erin Hunters #1 bestselling Warriors series. Enter the world of the warrior Clans In this two-in-one field guide, get an indispensable insiders look at the world of the five warrior cat Clans. The perfect addition to any Warriors fans collection, this paperback special edition includes two companion books in one volume:Warriors Field Guide: Secrets of the Clans: Learn about the origin of the Clans, their history and legends, and the training, traditions, and rituals involved in the lifelong path of a warrior.Warriors: Code of the Clans: Discover the origins of the warrior code, which governs how Clan cats live side by side in times of war and peace, with untold stories from the Warriors world and beautiful black-and-white illustrations.