"Maximum Ride and her broken flock roam a postapocalyptic world, searching for answers to what happened"--

After the mutant Erasers abduct the youngest member of their group, the "birdkids," 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.

"Twelve-year-old twins Bickford and Rebecca Kidd and their two older siblings travel to Africa to track down priceless artifacts that will keep the family's treasure hunting business afloat long enough to rescue their kidnapped mother--and possibly find their missing father"--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"--

Twins Bick and Beck Kidd and their family of professional treasure hunters race against mercenaries, rival treasure hunters, and a lumber baron through the jungles and mountains of Peru in search of Paititi, the legendary lost Inca city of gold, in hope of conserving the archaeological treasure and preventing deforestation of the rain forest.

When they uncover a conspiracy against America and its fundamental freedoms, the Kidd children, accompanied by their great uncle, crisscross the country in a race to prove that a newly-discovered copy of the Bill of Rights is a forgery.