"Eighteen-year-old Vera, eager to start college and escape the celebrity her family has endured since her twin's disappearance twelve years earli

Eleven-year-old Ada and her friends face zombie rabbits, alien mobs, and Puppet Cartels as they explore their small New Mexico town seeking Ada's

There's nothing eight-year-old twins Zach and Zoe Walker love more than playing sports and solving mysteries. And when those two worlds collide,

The Sinister-Winterbottoms, twins Alexander and Theo and their older sister Wil, find themselves at a mysterious summer camp where they meet othe

Aunt Saffronia drops the Sinister-Winterbottoms off at the Sanguine Spa, which is possibly owned by vampires, and where they must continue to com

"Bick Kidd's parents were world-famous treasure hunters--until they mysteriously disappeared. Now he and the rest of the Kidds--Beck, Tommy, and

Red Rock suffers a spate of "mailbox baseball" vandalism and twins Bryce and Ashley become witnesses.

"The Brightstorm twins are back for more high adventure on the sky-ship Aurora! Eudora Vane has organized an explorer fleet to search for missing

Alaska is no treat for a Southern California girl like Gabi, whose father moved them there after the divorce from her movie-star mother, but hand

The Kidds are heading to China, on a journey that will lead them beyond the Great Wall and into the underbelly of Berlin. Bick and Beck Kidd are

Bick Kidd and his globe-trotting siblings Beck, Storm, and Tommy may have completed their first treasure hunt after their father was lost at sea,

"Echo Ridge is small-town America. Ellery's never been there, but she's heard all about it. Her aunt went missing there at age seventeen. And onl