Days after winning OASIS founder James Halliday's contest, Wade Watts makes a discovery that changes everything. Hidden within Halliday's vaults, waiting for his heir to find, lies a technological advancement that will once again change the world and make the OASIS a thousand times more wondrous and addictive than even Wade dreamed possible. With it comes a new riddle, and a new quest a last Easter egg from Halliday, hinting at a mysterious prize....

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.

Sam (a puzzle master) and Martina (a history whiz) become involved in a dangerous quest to find seven keys left behind by Benjamin Franklin and a secret society of descendants, which, when gathered together, unlock a powerful weapon, so the middle schoolers must solve the puzzles, find the artifacts before the bad guy does, and save the nation.

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.

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.

2003, Colorado: Alexandra Solarin is summoned home to her family' ancestral Rocky Mountain hideaway for her mother's birthday. Thirty years ago, her parents, Cat Velis and Alexander Solarin, believed that they had scattered the pieces of the Montglane Service around the world. When Alexandra arrives her mother is missing and a mysterious group of houseguests have arrived, along with her aunt and the most powerful piece of Charlemagne's service.

It's 2045, with the world on the brink of chaos and collapse, but the people have found salvation in the OASIS, an expansive virtual reality universe created by the brilliant and eccentric James Halliday. When Halliday dies, he leaves his immense fortune to the first person to find a digital Easter egg he has hidden somewhere in the OASIS, sparking a contest that grips the entire world. When an unlikely young hero named Wade Watts decides to join...

Includes games, puzzles and other activities based on the Captain Underpants character.

No fantastic creature captivates the imagination quite like the unicorn. In this adorable book of unicorn puzzles, readers will study charming illustrations to complete simple, fun brain exercises. Within the beautiful artwork they'll discover hidden objects, spot the difference between corresponding images, and identify missing pieces. Each cute puzzle will delight and challenge young readers as they continue to develop key skills, such as attention

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Puzzle-crazy, twelve-year-old Winston and his ten-year-old sister Katie find themselves involved in a dangerous mystery involving a hidden ring. Puzzles for the reader to solve are included throughout the text.