As a cold, harsh winter approaches, the cats from the mountains prepare to divide into several camps, requiring each cat to decide where his or her allegiances lie.

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

Bored with traditional palace life, a princess goes off to live with a group of dragons and soon becomes involved with fighting against some disreputable wizards who want to steal away the dragons' kingdom.

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...

"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...

Despite their misgivings about the many dangers that lie ahead, the bears venture out onto the Everlasting Ice and learn of their final destination with the help of a mystical bear spirit.

When a scrappy alley cat named Aldwyn passes himself off as a magical animal companion to Jack, a young wizard in training, Aldwyn and his fellow "familiars," a know-it-all blue jay and bumbling tree frog, must save the kingdom after the evil queen of Vastia kidnaps Jack and two other wizards.

Mez, a panther who discovers her magical powers after an eclipse, must unite the other animals to save Caldera from an evil force.

As Dovepaw, Jayfeather, and Lionblaze strive to understand and fulfill the prophecy that promises them great power, the cats of the Dark Forest begin to teach battle skills and techniques to different Clan cats through dreams.

The Munrungs cross the Carpet to find a new home after their village is destroyed by the powerful and mysterious natural force Fray.