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.

Thanks to a DNA test, Avery Grambs knows that she is not a Hawthorne by blood, but clues pile up hinting at a deeper connection to the family than she had ever imagined. Grayson and Jameson, the enigmatic and magnetic Hawthorne grandsons, continue to pull Avery in different directions. Tobias Hawthorne left his entire fortune to Avery, a virtual stranger, rather than to his own daughters or grandsons ... and there are those who will stop at nothing...

Days after winning control of OASIS, the immersive virtual reality environment in which most of humanity chooses to live, Wade Watts discovers a world-changing technological advancement and draws the attention of a merciless new rival --

Elizabeth, eleven, spends Christmas break at Winterhouse hotel under strange circumstances, where she discovers that she has magic, and her love of puzzles helps her solve a mystery.

"What makes puzzles--jigsaws, mazes, riddles, sudokus--so satisfying? Be it the formation of new cerebral pathways, their close link to insight and humor, or their community-building properties, they're among the fundamental elements that make us human. Convinced that puzzles have made him a better person, A.J. Jacobs-four-time New York Times bestselling author, master of immersion journalism, and nightly crossworder--set out to determine their myriad...

Back at the Winterhouse hotel for another holiday season, Elizabeth and Freddy, who love puzzles, dig deeper into the mystery surrounding a hotel guest who left behind odd artifacts, including a magical book that evil Gracella Winters once attempted to use to gain destructive power over the entire Falls lineage.

Two eleven-year-old misfits try to solve the mystery of a dead magician and stop the evil Dr. L and Ms. Mauvais, who are searching for the secret of immortality.

From pretty parrots to cheeky chimps, there's so much to see in the jungle! With a hidden baby monkey to find in every scene and fun facts to discover throughout.

Ten-year-old Leo's future and the fate of the extraordinary Whippet Hotel, where his father is the maintenance man, are at stake when a series of cryptic boxes leads Leo to hidden floors, strange puzzles, and unexpected alliances.

New York City, 1972–A dabbler in mathematics and chess, Catherine Velis is also a computer expert for a Big Eight accounting firm. Before heading off to a new assignment in Algeria, Cat has her palm read by a fortune-teller. The woman warns Cat of danger. Then an antiques dealer approaches Cat with a mysterious offer: He has an anonymous client who is trying to collect the pieces of an ancient chess service, purported to be in Algeria. If Cat...