puzzles

When a mysterious figure presents William with a strange pyramid-shaped puzzle, it sets in motion a series of events that sends William on a wild ride from Norway to England to the Mariana Trench, the deepest part of the ocean. Along the way, he ll discover that some of the people he knew can no longer be trusted and that the Institute for Post-Human Research is hiding a dark secret. He ll also discover an ancient civilization hidden under the ocean and a giant, mechanical, teleportation octopus.

Emily, her friend James, and her brother Matthew travel to Alcatraz for an elaborate escape room challenge.

After receiving a wooden puzzle box at a town festival, twelve-year-old Kallie figures out how to open the box and finds that her fate seems to be connected to a young bone carver from another time.

"A collection of easy-to-read riddles that ask "What am I?" After each riddle, the answer is given and illustrated. Original edition revised with all new illustrations. Includes reading activities and a word list"--.

A collection of Chinese tangram puzzles created by Barbara Ford that create pictures of animals, people, fish, birds, and other familiar objects.

A collection of mathematical and verbal brain-teasing questions interspersed with "brain vacation" jokes.

Through a combination of math games, logic puzzles, activities, and hands-on demonstrations with things like prisms, kids will explore math concepts with renewed excitement.

Presents fourteen scenes that show animals living all around the world, each with specific animals to find and count, and includes other puzzles for readers to solve.

A collection of riddles on a wide range of topics for jokesters of all ages.

A collection of jokes and riddles on such subjects as animals, monsters, sports, food, and occupations.