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.

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.

When the dangerous Slash takes Star Flower hostage, her mate Clear Sky must rally the other four clans to his side in order to save her.

A girl, Zoey, and her cat, Sassafras, use science experiments to help a dragon with a problem.

When Itty Bitty Princess Kitty overhears a fox say he might break the rules in the upcoming cloud race, she must decide whether to wait to see what happens or keep the cloud race fair and square.

As ten-year-old Oona and younger brother Fred conspire to break their sick cat Zook out of the veterinary clinic, Oona tells the story of Zook's previous lives.

"Ophelia von Hairball V of Burglaria, international kitty of mystery, is always fishing for a new mission im-paws-ible. When a thief steals a dangerous artifact from its vault, the Furry Feline Burglary Institute (FFBI) puts Ophelia in charge of stealing it back. But when the cat's away, the dogs will play. The Central Canine Intelligence Agency (CCIA) is hot on her tail--and they want the artifact for themselves! Ophelia will need some dashing disguises,...

Warlord cat Klawde continues to suffer in exile as Raj faces starting a new school, but a further complication arises when both are unexpectedly confronted by figures from their pasts.

A cat that enjoys his carefree life gets some treats and backrubs from the humans who have just moved into his favorite abandoned house, then sets out to train them properly, all the while protesting to his friends that he has no interest in being tied down as a human pet.

On one night every year, cats in the MEOW Society, which stands for "Memories Expressed In Our Writing," gather to read from their diaries, hearing stories of a gypsy cat, a Caribbean pirate cat, a library cat, and many others.