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.

Maximum Ride's seventeen-year-old daughter, Hawk, is living under the radar in post-apocalyptic New York City until a destiny that is perilously close to her mother's forces her to take flight. Ten years ago a girl with wings fought to save the world. Then she disappeared-- and now is just a fading legend, remembered only in stories. Hawk doesn't know her real name. She doesn't know who her family was, or where they went. The only thing she remembers...

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.

"Following clues left by their missing father, twelve-year-old twins Bickford and Rebecca Kidd sail from the Caribbean to New York City with their siblings to finish the dangerous quest of their world-famous treasure-hunting parents"--Provided by publisher.

"The Kidd children--including twelve-year-old twins Rebecca and Bickford--follow mysterious clues that take them from China to Germany, in the hopes of finding their missing father and the treasure that will finally free their kidnapped mother"--

When their ship, the Lost, explodes, Bick, Beck, Tommy, and Storm are stranded on a raft in the middle of the Mediterranean Sea, but the situation worsens when the treasure hunters kidnap their parents, forcing the Kidd siblings to follow clues around the globe to uncover an ancient treasure and save their family.

Daniel, an alien hunter, targets intergalactic criminals preying on the human race, and has the ability to create anything he can imagine to help him, including the family that was murdered when he was three.