Warriors: Changing Skies #2: Hidden Moon

In the second book of Erin Hunter's bestselling Warriors series' Changing Skies arc, Tawnypelt receives a troubling message from StarClan about an impending threat, but her warnings are overlooked by her son, Tigerstar. Meanwhile, Starlingpaw seeks redemption for his father's death by aiming to thwart a 'two-faced cat' that threatens the clans, while Moonpaw struggles with an increasingly insistent voice in her head. As Twolegs disrupt access to the Moonpool, the Clans must race against time to reconnect with their ancestors before it's too late.