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 is a ThunderClan warrior cat now, but danger still lurks in the forest -- and possibly closer than he thinks. With the chill of winter setting in, the cats of rival RiverClan are growing restless, while WindClan is weak and facing threats from all sides. As tensions build to an explosive...

The mountain cats from the Tribe of Rushing Water followed the sun trail to a new territory, convinced that in a land with more prey, their lives would be free from strife. But while no cat has gone hungry, tensions are rising. The once firmly united group has split in two—and a young cat named Thunder is caught in the middle.

Yellowfang is a loyal ShadowClan cat through and through--but she is haunted by a dark secret from her past that could threaten the future of the warrior Clans.

"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...

The Wild Pack’s ruthless Alpha has reluctantly agreed to allow the Leashed Dogs to join his Pack-- but not before learning of Lucky’s role as a spy, and casting him out of the Pack forever. Lucky tries to be happy to have his freedom again, but this new world is treacherous for a Lone Dog. For the first time since the Big Growl, Lucky is desperate to have other dogs by his side . . . but it might be too late.

When an outsider 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.

"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" -- Publisher's description.

Jaypaw, Hollypaw, and Lionpaw have learned that the prophecy tells them they will hold more power than any cat before them. So when a mysterious cat arrives to warn the Clans of danger, the Clans' faith in their warrior ancestors is shaken.

Though the Clans are settled into equally divided territories, tensions are rising over the new borders, and when a group of rogue cats move in just beyond Clan boundaries, Squirrelflight is caught between her conscience and her duty to her Clan.

The time has come for three kits of ThunderClan--Hollypaw, Jaypaw, and Lionpaw--to become apprentices. Grandchildren of the great leader Firestar, all three possess unusual power and talent. But dark secrets surround them, and a mysterious prophecy hints at trouble to come.