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

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 Jayfeather, Lionblaze, and Dovepaw continue to seek answers to the mysterious prophecy that binds them, they learn that another cat may play an essential role in defeating the Dark Forest.

A dark prophecy shapes the lives of three ThunderClan apprentices. And when Jaypaw , Hollypaw, and Lionpaw travel to the Tribe of Rushing Water, they will begin to uncover what lies ahead.-- page 4 of cover.

Deep in the heart of the forest, four clans of warrior cats coexist in uneasy harmony -- but uncertain times are upon them, and dangers threaten the precarious balance of the forest. Fireheart is a ThunderClan warrior cat now, but his troubles are far from over. As the chill of winter sets in, the cats of rival RiverClan grow restless, while WindClan is weak and facing threats from all sides. As tensions build to an explosive climax, Fireheart faces...

Bluefur, a warrior of ThunderClan, struggles under the weight of a prophecy that promises her glory as Clan leader, but also spells out her ultimate demise.

For generations, four clans of wild cats have shared the forest. When their warrior code is threatened by mysterious deaths, a house cat named Rusty may turn out to be the bravest warrior of all.

When the bears learn of the legendary Last Great Wilderness, a fabled bear paradise, they believe that this must be their ultimate destination

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.

At the edge of the Endless Ice, the four bears Ujurak, Toklo, Lusa, and Kallik reach Star Island, where a large group of bears is in trouble but believes Lusa is destined to help bring back the favor of the spirits.