puzzles

"Twelve-year-old Kyle gets to stay overnight in the new town library, designed by his hero (the famous gamemaker Luigi Lemoncello), with other students but finds that come morning he must work with friends to solve puzzles in order to escape.".

Presents math activities and puzzles, stories of math geniuses, math facts and statistics, and more.

Emily and James compete in an epic escape-room challenge on Alcatraz Island, designed by game-maker Garrison Griswold and mystery writer Errol Ray. Soon, James and Emily discover that they are being targeted, and uncover a dangerous plot involving Emily's brother, Matthew. They must then solve the mystery that will lead them to the saboteur while also trying to escape the harrowing Alcatraz underground.

Young Explorers is the Timmi Tobbson "early reader" series for adventurers and sleuths aged 6-8. In this series' first title, a secret message in an ancient book sends Timmi and his friends - including a three-legged frog - on a wild ride to unravel a life-changing mystery and become the Young Explorers. In typical Timmi Tobbson fashion, each Young Explorers book offers solve-them-yourself picture mysteries, but that's not all. Accompanying the story is additional content aimed at sparking interest in technology, history and science in general.

A wave of jewelry thefts is committed in broad daylight and without any trace. When grandma's old and beloved family necklace vanishes, Timmi, Lilli and Marvin set out to catch the phantom known as the Invisible Thief.

"Rumors spread that Tobias Hawthorne's lost son may still be alive, casting doubt on seventeen-year-old Avery's inheritance and changing the rules of the game"--OCLC.

When a Connecticut teenager inherits vast wealth and an eccentric estate from the richest man in Texas, she must also live with his surviving family and solve a series of puzzles to discover how she earned her inheritance.

"Eighteen-year-old Avery Grambs is weeks away from inheriting the multibillion-dollar Hawthorne fortune, but first she'll have to survive a dangerous game against an old enemy looking for vengeance"--Provided by publisher.

"Eighteen-year-old Avery Grambs is weeks away from inheriting the multibillion-dollar Hawthorne fortune, but first she'll have to survive a dangerous game against an old enemy looking for vengeance"--Provided by publisher.

"Lia and Lu?s receive a puzzle from their grandmother, but must quickly solve it to find the secret message hidden in it"--Provided by publisher.