"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"--

Buckle up! Max and her flock take on their most daring rescue mission yet in James Patterson's #1 bestselling Maximum Ride series.
  Someone—or something—is decimating ships and sea life off Hawaii's coast, and Max and her flock find themselves sucked into the Navy's top-secret investigation of the catastrophe. Their objective: rescue Max's activist mom from a wicked subterranean enemy. The hitch:...

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.

"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"--

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.

"The illuminating journey of a very special mouse, and the unexpected friendships he makes along the way"--

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.