At the reading of their grandmother's will, Dan and Amy Cahill are given the choice of receiving a million dollars or uncovering the 39 clues hidden around the world that will lead to the source of the family's power, but by taking on the clues, they end up in a dangerous race against their own family members. Maze of bones is the first in a series of 10 books. The publisher offers an online game as well.

Zeus the hamster and his cohorts escape their cages at Mount Olympus Pet Center in Athens, Georgia, to solve the mystery of the labyrinth--the center's duct system.

"Oona, Jax Amboy, and An Tzu must light the beacon on Moon Yatta and stop the evil force that threatens to rule the 5 worlds"--

"When three twelve-year-olds discover there are seven separate minutes a day they can do magic, they must use oddly specific spells to save a dragon, themselves, and the world"--

Presents the further adventures of a motorcycle-riding mouse who goes to school and becomes the instigator of an investigation of rodents and the peacemaker for two lonely boys. "With his rowdy cousins constantly wearing out his motorcycle and the Mountain View Inn manager threatening to take care of the mouse infestation once and for all, Ralph decides it's time to get away for a while. He convinces his human friend Ryan to take him along to school,...

"Before the trials, WICKED found Thomas, the perfect boy, to help them build the Maze and find the cure for the Flare, a disease that plagues the world. But the truth of what is really going on is a secret and Thomas must uncover it before time runs out"-- Provided by publisher.

"Prince Ruprecht is very upset that knights-in-training Tim and Belinda have thwarted his plans and ruined his chances with Princess Grace. So to get even, he has kidnapped the princess and trapped her in the most complicated, dangerous, complex, dastardly, biggest (okay, you get the point)...and scariest maze in all the world! Now it's up to Tim, Belinda, Ferkle, and Rover to fend off menacing beasts (like the minotaur), conquer treacherous obstacles...

Bella, Gwen, and the Lost Boys have escaped to Alnwick Castle, but it is not the safe haven they hoped it would be for the "cure" for the Horologia virus has mutated into something even worse--so the Duchess Alyssa and Maddox Hadder set out searching for the virus's origin, an extinct poisonous apple, supposedly from a tree at the center of a labyrinth hidden deep within Germany and guarded by monsters.

Time has gone wrong, and best friends Dak Smyth and Sera Froste, together with the young Hystorian Riq, must use the infinity ring to travel back to one of the Great Breaks--a mutiny on the Santa María--to correct history and defeat the SQ.

In 1928, nine-year-old investigator Lottie and her friends try to save the British Museum from shuttering its doors by looking for a buried treasure in a secret tunnel beneath the museum, only to discover they must solve a series of puzzles to find the treasure as well as their way out of the maze of passageways.