Warrior Cats: The Forgotten Darkness ~ Book 2 ~

(This is the second book continuing after Rise of the Birds.)

After the great battle between Shadeclan and Thornclan both clans have lost many warriors. Falconstar must lead her clan through the upcoming troubling times. With the Shadeclan rouges lurking through the forest killing off any cat they see, and the mysterious disappearances from the other two clans. Thornclan may have no choice but to take in one of the clans and find out what's taking cats. If they don't, whats to stop the danger from overcoming all of Thornclan and taking her friends and family with it?