Three young bears of different species--one black, one polar, and one grizzly--travel on a perilous quest to the Northern Lights, escorting a shape-shifting grizzly cub whose destiny will affect them all.

Tigerclaw is back and more dangerous than ever as the new leader of ShadowClan, but he is not the most terrifying enemy Fireheart must face as a new force sweeps through the woods.

Moons have passed since six cats set out on a journey to save their Clans. Meanwhile, back in the forest, Firestar and Leafpaw watch ThunderClan's world crumbling around them. Will the questing cats make it back in time, or will they be too late?"

ThunderClan's darkest hour is upon them and Fireheart, the warrior cat, must protect his clan from a threat unlike any the forest has ever seen, as the time comes for prophecies to unfold and heroes to rise. ThunderClan's darkest hour is upon them, as Tigerstar's quest for power plunges all the Clans into the most terrible danger any cat has ever faced. In order to save his Clan and his friends, Fireheart must uncover the meaning of an ominous proclamation...

Fireheart, a full-fledged warrior cat, must confront questions of loyalty and identity as he faces the possibility of betrayal from within his own forest clan.

Fireheart, the warrior cat, faces many challenges in his new role of ThunderClan deputy as his apprentice, Cloudpaw, resists following the warrior code, Bluestar weakens, and Tigerclaw continues to haunt the forest seeking revenge.

As a young warrior, Crookedjaw pledges his undying loyalty to RiverClan in exchange for the promise of power, not realizing that his pledge will haunt him when he becomes the leader of his Clan.

Jaypaw, one of Firestar's three grandchildren, is captivated by the power promised in a secret prophecy, and heads to the mountains in search of answers, followed by Lionpaw and Hollypaw who have their own reasons for making the journey.

"The warrior cat Clans have enjoyed many moons of peace and prosperity--but a dark season approaches, and those days will soon be over. Guided by a mysterious vision, the young apprentice Alderpaw of ThunderClan must go on a dangerous journey...a journey that may be the Clans' only hope." --

"For many moons, a tribe of cats has lived peacefully near the top of a mountain. But prey is scarce and seasons are harsh--and their leader fears they will not survive. When a mysterious vision reveals a land filled with food and water, a group of brave young cats sets off in search of a better home. But great dangers await them. In this unfamiliar world, faced with loners and fierce rogues all vying for territory and power, the traveling cats must...