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.

Socks, the Bricker's cat, finds a new rival in the form of the Bricker's new baby, Charles William, until he and the baby become partners in mischief.

When a controversial mask maker is found dead in the co-op basement, librarian Kathleen Paulson, along with her feline companions, questions whether the death was accidental and joins handsome detective Marcus Gordon in his search for a killer.

Tigerclaw is back and more dangerous than ever as the new leader of ShadowClan, but he is not the most terrifying enemy Fireheart must face as a new force sweeps through the woods.

"In the midst of the coldest leaf-bare any warrior can remember, the Clans have lost their connection with their warrior ancestors, and only one ShadowClan apprentice can still hear their voices--or their warning about the new shadow rising within the warrior Clans"--

Comet the cat uses up eight of his nine lives trying to find the right place to live on Nantucket Island.

Not getting his own chance to shine while on a scouting trip, Splat finally has his moment when some mud causes a sticky situation.

Splat the cat is very nervous when his class prepares to sing on Parents' Night.

The Cat and the Squirrel come to blows with the Duck in arguing about who will perform what duty in preparing their pumpkin soup, and they almost lose the Duck's friendship when he decides to leave them.

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