While on a mission to Antarctica to save the world from global warming, fourteen-year-old Maximum Ride and the other members of the Flock--a band of genetically modified children who can fly--are pursued by their creator, the Uber-Director, who wants to auction them off to the highest bidder.

When millions of fish start dying off the coast of Hawaii and something is destroying hundreds of ships, the government enlists the Flock--a band of genetically modified children who can fly--to help get to the bottom of the disaster before it is too late.

When a classmate falls into a coma, best friends and monster hunters Carlos and Benny investigate weird noises and smells that are coming through Monterrosa Elementary's classroom vents.

In alternate chapters, twelve-year-old Jeremiah, who has a fatal heart condition, and J6, the pig growing the heart that could save his life, give their own perspectives on being a transplant donor and donee. Includes facts about the research project on which the story is based.

Continues the story of Austrian Prince Alek who, in an alternate 1914 Europe, eludes the Germans by traveling in the Leviathan to Constantinople, where he faces a whole new kind of genetically-engineered warships.

On their second mission to find another habitable planet, the four mutant animals, LaserShark, AstroWolf, SmartHawk, and StinkBug, splash land on the Water Planet, run by some suspiciously friendly clams, who are very eager to swap planets--and if the AstroNuts can stop arguing among themselves they may find out why before it is too late.

Aluna and Hoku, Kampii from the City of Shifting Tides, and their friends, Equian Dash and winged Aviar Calli, are determined to stop a war. The maniacal ex-scientist Karl Strand is planning to conquer the world with his enormous army of tech-enhanced soldiers-- unless the four friends can get to Strand first. Aluna's plan is dangerous: pose as Upgraders and infiltrate the army. But the enemy isn't what they expected and the strategy begins to crumble....

Strig Feleedus is cruelly mutated by his own experiment and merges with the DNA of a pussycat and an owl. What follows is an action-driven, witty, and pulp-inspired all-species revolution.

Hawk accepts her mother Max's help to prevent vengeful hybrids, amoral scientists, traitorous politicians, and a deadly virus from overwhelming her beloved, polluted city. In the City of the Dead, life happens in the shadows. That's why a war is brewing against an enemy no one can see. For Hawk, being a hero weighs heavily on her wings. But Hawk and Maximum Ride never back down from a conflict, or from each other, and they argue more than they agree....

"When Castor the street dog is captured, he learns there is a nefarious underground fighting ring in Lion's Head where animals are injected with DNA-changing serums, transformed into dangerous hybrids, and forced to battle one another to survive"--