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.

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.

After moons of division and strife, the ShadowClan is in danger of falling apart.

"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...

After the warrior cat Clans settle into their new homes, the harmony they once had disappears as the clans start fighting each other, until the day their common enemy--the badger--invades their territory.

Sent on a journey that could change the fate of all of the warrior clans, Hawking, deputy of SkyClan, must find the kin of Firestar, the cat who once brought their clan back from obscurity.

"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."

When an ousider appears in the ThunderClan's midst, it drives the Clans further apart and as tension mounts they must decide who they can trust before it is too late.

For generations, four Clans of cats have shared the forest. But ThunderClan is in grave danger, and ShadowClan grows stronger every day. In the midst of this turmoil appears a house cat named Rusty ... who may turn out to be the bravest warrior of them all.

Firestar's grandchildren--Lionpaw, Hollypaw, and Jaypaw--progress in their training to become warrior cats and are drawn for different reasons to the mountains and the Tribe of Rushing Water.