"Get ready to I Spy in a haunted house with lots of creepy riddles to solve!"--Publisher's description.

Rhyming verses ask readers to find hidden objects in the phohotographs.

"An exuberantly realized, exciting, and sweet-natured cyber-quest. Cline's imaginative and rollicking coming-of-age geek saga has a smash-hit vibe."--Booklist, starred review "Ready Player One takes place in the not-so-distant future--the world has turned into a very bleak place, but luckily there is OASIS, a virtual reality world that is a vast online utopia. People can plug into OASIS to play, go to school, earn money, and even meet other people...

The noted expert and longtime author of Scientific American's Mathematical Games column selects 70 of his favorite "short" puzzles. Enthusiasts can challenge their skills with such mind-bogglers as The Returning Explorer, The Mutilated Chessboard, Scrambled Box Tops, Bronx vs. Brooklyn, and dozens more involving logic and basic math. Complete solutions included.

Learn how to take the "tease" out of brainteasers, and increase your puzzle IQ with this eye-opening guide to solving puzzles. Revealing the basic principles and strategies of cracking logic problems, it shows you, step-by-step, how to solve ten of the most common types of puzzles, from basic deduction conundrums to more complex mathematical bafflers. Packed with practice puzzles and offering hours of amusement and mental challenge, Increase Your...

"Rhymes invite the reader to find hidden objects in photographs of Christmas items."--Provided by publisher.

Invites young readers to find various quantities of marine life and artifacts which are labeled in the illustrations of ocean scenes.

Presents twelve brain-teasing hidden picture puzzles to solve.

When he finds a torn piece of paper with only part of a word on it, boy detective Nate sets out to find the missing pieces.

Avery's fortune, life, and loves are on the line in the game that everyone will be talking about. To inherit billions, all Avery Kylie Grambs has to do is survive a few more weeks living in Hawthorne House. The paparazzi are dogging her every step. Financial pressures are building. Danger is a fact of life. And the only thing getting Avery through it all is the Hawthorne brothers. Her life is intertwined with theirs. She knows their secrets, and they...