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.

"For generations, four clans of wild cats have shared the forest. But ThunderClan is in grave danger, and ShadowClan grows stronger every day. I the midst of this turmoil appears a house cat named Rusty...who may turn out to be the bravest warrior of all." -- Page [4] cover.

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, Talltail's life is marred by a tragedy that fills his heart with bitterness. He sets off on a dangerous path in search of revenge--far outside the bounds of the warrior code"--

A mouse teases Miss Moppett so Miss Moppet thinks she will tease the mouse.

Embarking on a train trip to visit his grandmother, Pete the Cat accompanies the conductor on a tour of the train, looks at the engine and blows the whistle while making new friends and playing train-themed games.

Unnerved by the overgrown forest near her aunt's house and the wild black cats that live there, Danni encounters a mean old woman who claims to be their owner and makes a discovery that places her life in danger. Zoey loves spending the summer with her Aunt Alice, and her aunt's new house is the perfect place to cozy up with a good book. But she's unnerved by the overgrown forest next door, which is creepy even in the daytime and full of eerie sounds...

"StarClan, the Dark Forest, and all five warrior Clans band together for a final battle that seeks to destroy Bramblestar's impostor before he destroys everything they hold dear" -- Provided by publisher.

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...

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.