Two English children undergo hair-raising adventures as they go on a search and rescue mission for the missing Prince Rilian, who is held captive in the underground kingdom of the Emerald Witch.

"Frostpaw was told to trust no cat, but a brutal attack has left her gravely injured, and she'll need to depend on someone. When help arrives in the form of a young warrior, she convinces him to protect her as she follows StarClan's cryptic directions toward the roots of RiverClan, where Riverstar has promised she'll find the answers she's been so desperately seeking. Back at the lake, the tension between ShadowClan and its neighbors might be easing,...

Wolf Boy is sent on a Task by Aunt Zelda, while Septimus and the dragon, Spit Fyre, fly off to bring their friends home, but they all wind up on an island whose secrets are as dangerous as its inhabitants.

After Jason succeeds in finding a way back to Lyrian, he's immediately in more danger than ever. Meanwhile, Rachel and the others have made their own progress--as well as discovered new enemies. As the group ultimately rejoins, they strive to convince their most needed ally to join the war and form a rebellion strong enough to triumph against the emperor.

Soren and his band must fly to the mysterious Northern Kingdoms to find allies against the Pure Ones who are about to launch another deadly attack against the great tree. The Grand Battle begins with the search for allies in the Northern Kingdoms and ends in The Burning that will change all Owldom forever. Soren and his band are sent to the mysterious Northern Kingdoms to gather allies and learn the art of war in preparation for the coming cataclysmic...

At the edge of the Endless Ice, the four bears Ujurak, Toklo, Lusa, and Kallik reach Star Island, where a large group of bears is in trouble but believes Lusa is destined to help bring back the favor of the spirits.

An otherworldly fox is born to help eleven-year-old Jules, who is grieving over the death of her sister.

Twelve-year-old Gregor returns to the world beneath New York City, where he joins forces with Princess Lexa and Ripred the rat to defend the Underlanders and the Nibblers from the army led by the adolescent rat king, the Bane.

"As the new leader of ThunderClan, Bramblestar must prepare to weather a storm the likes of which the warrior Clans have never seen--and might not survive"--

Nory, Bax, and their friends are in a special class at Dunwiddle Magic School, a class for children whose magic is unpredictable--and while Nory is finding an outlet for her dritten-self (a combination of a kitten and dragon), in the kittenball team, Bax is worried because all he can do is turn into a rock, and nobody knows why.