Erin Hunter’s #1 nationally bestselling Warriors series continues in this action-packed fourth arc! Sign of the Moon includes a new challenge in the ongoing Warriors Adventure Game.

Jayfeather is summoned to the mountains by a desperate plea from the Tribe of Rushing Water, an ancient Clan that is struggling to survive. Meanwhile, the evil spirits that inhabit the Dark Forest continue to gather strength. Lionblaze, Jayfeather, and Dovepaw must figure out how to fulfill the prophecy that says they hold the power of the stars in their paws—before the warrior Clans are destroyed forever.

Sign of the Moon is packed with danger, suspense, and epic adventure. With over ten million Warriors books sold and each new title hitting the New York Times bestseller list, the series continues to soar.

Sign of the Moon also includes the fourth adventure in the ongoing Warriors Adventure Game. Dowload the free Warriors app at www.warriorcats.com!