The future of the Warrior cats hangs in the balance in the thrilling conclusion to the action-packed Omen of the Stars story arc.

The end of the stars draws near. Three must become four to battle the darkness that lasts forever. . . .

After countless moons of treachery, Tigerstar's Dark Forest apprentices are ready to lay siege upon the warrior Clans. As Jayfeather, Dovewing, and Lionblaze prepare to lead their Clanmates into battle, they await the arrival of the mysterious fourth warrior who is prophesied to help lead the Clans to glory.

The darkest hour the Clans have ever faced has dawned. Hopes will be shattered and heroes will rise as the warriors fight for their very survival.

Erin Hunter is inspired by a love of cats and a fascination with the ferocity of the natural world. As well as having a great respect for nature in all its forms, Erin enjoys creating rich mythical explanations for animal behavior, shaped by her interest in astrology and standing stones.