puzzles

A brightly colored snake challenges readers to a game of hide and seek as he hides among familiar objects.

"After his grandfather vanishes, William and his family move to Norway where he is told to hide his puzzle-solving talents, but when he solves the Impossible Puzzle at the museum, things begin to go wrong and he is sent to a strange school."--Provided by publisher.

A collection of visual puzzles, encouraging the reader to decipher optical illusions.

"When middle school puzzle-master Sam and history-whiz Martina win a contest for a summer trip across the United States, they soon discover that they've been drafted into something vastly more exciting. Joining Theo, the last descendent of an American icon, they begin an extraordinary adventure across national landmarks and natural wonders, following clues to find seven artifacts left behind by the Founding Fathers. Together, these historical artifacts are keys to unlocking Benjamin Franklin's greatest invention--a powerful secret weapon. Each of the artifacts is hidden and protected with puzzles, riddles, and traps. This has kept the invention safe until now. Gideon Arnold, dangerous descendent of the infamous Benedict Arnold, is on the chase!"--Back cover.

Tired of living in his brother Spencer's shadow, twelve-year-old Cameron Schein considers taking an unfair advantage to win the second Golly Toy and Game Company's Gollywhopper Games, in which the brothers and other children compete by solving puzzles, answering riddles, and doing stunts.

When five present-day teenagers known as the Kingdom Keepers travel back to 1955 for Disneyland's Opening Day, the early days of the Tower of Terror, the origin of the Overtakers, and the real power of magic unfold in an unexpected series of events that propels the Keepers into a darkness no one saw coming.

Zane thinks about little but football until after his second concussion, when his parents say he must take a year off, so when he gets a chance to compete in the Gollywhopper Games he is excited about applying many of the skills that help him excel on the football field to a different kind of competition.

In Glacier National Park, middle school geniuses Sam, Martina, and Theo follow clues related to Thomas Jefferson as they tackle a new round of puzzles, riddles, and traps to find the next key left behind by the Founding Fathers, but Gideon Arnold, descendant of the infamous Benedict Arnold, is hot on their trail.

"When middle school puzzle-master Sam and history-whiz Martina win a contest for a summer trip across the United States, they soon discover that they've been drafted into something vastly more exciting. Joining Theo, the last descendent of an American icon, they begin an extraordinary adventure across national landmarks and natural wonders, following clues to find seven artifacts left behind by the Founding Fathers. Together, these historical artifacts are keys to unlocking Benjamin Franklin's greatest invention--a powerful secret weapon. Each of the artifacts is hidden and protected with puzzles, riddles, and traps. This has kept the invention safe until now. Gideon Arnold, dangerous descendent of the infamous Benedict Arnold, is on the chase!"--Dust jacket.