After the mutant Erasers abduct the youngest member of their group, the "bird kids," who are the result of genetic experimentation, take off in pursuit and find themselves struggling to understand their own origins and purpose.

When Max and the Flock discover an unscrupulous scientist who is experimenting on humans in an effort to "improve" the human race, they decide that they must try to stop him, in spite of Angel's prediction about Fang dying.

"Lucky and the rest of his Pack encounter another group of dogs that has survived the Big Growl--and these new dogs may be their most dangerous enemies yet"--

After a short stay with an FBI agent who gives them a chance to attend school and live a normal life, the six genetically-altered, winged youths head toward Florida and Max's ultimate destiny--to save the world, whether she wants to or not.

Cass and Max-Ernest discover the Museum of Magic, unscramble more coded messages, and solve new mysteries in their attempt to thwart the Terces Society's ambitions of discovering immortality.

Hal and the other Herons face many perils as they track down the pirates who stole Skandia's most prized artifact, the Andomal.

Ever since Tory Brennan and her friends rescued Cooper, a kidnapped wolf pup with a rare strain of canine parvovirus, they've turned from regular kids into a crime-solving pack! But now the very place that brought them together - the Loggerhead Island Research Institute - is out of funding and will have to shut down. That is, unless the Virals can figure out a way to save it!

When Firestar's grandchildren, Hollyleaf, Lionblaze, and Jayfeather, finally discover who their true parents are, there are dire consequences for ThunderClan and the Warrior Code.

Nine-year-old Nicholas Benedict has more problems than most children his age. Not only is he an orphan with an unfortunate nose, but he also has narcolepsy, a condition that gives him terrible nightmares and makes him fall asleep at the worst possible moments. Now he's being sent to a new orphanage, where he will encounter vicious bullies, selfish adults, strange circumstances -- and a mystery that could change his life forever. Luckily, he has one...

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. The warrior code is in danger of being washed away by a river of blood, and all the young cats' strength will be needed if the Clans are to survive.