This book contains 300 challenging and devilishly difficult sudoku puzzles in a portable paperback.

Watch out! These puzzles are killer! Prepare yourself for some of the hardest sudoku puzzles in existence!

Place all the pieces on the game board to create paths and advance to the next level!

Yes, you may need an aspirin after messing with this wooden puzzle for a few hours!

Test your smarts by trying to remove the ring from this metal configuration!

A time-tested favorite, popular with 19th-century sailors! Remove the shuttle to prove your worth!

Edited by Will Weng, the book features two hundred Sunday-size crosswords from The New York Times magazine.

This is a clever assortment of puzzles in which you must take everything apart and then figure out how to piece them all back together again!

Can you solve the riddles and escape the impenetrable labyrinth?

The BrainSnack brand guarantees to train your brain, enhancing logic, imagination, creativity, and memory.

Inside, find over 400 synonym scrambles, crossword conundrums, word searches, and other brain-tickling word games!

Create 12 stunning images, one sticker at a time!

Create 12 stunning dog images, one sticker at a time!

After accidentally entering a new world, can you work together as a team and solve riddles as you travel from world to world, to make it home safely?

Can you complete the jigsaw puzzle, solve the riddles, and discover the dark secrets of The Sacred Temple?

Can you complete the jigsaw puzzle, solve the riddles, and discover the dark secrets of the Deserted Lighthouse?

This 60-piece postcard puzzle comes with the puzzle fully assembled. Write the message on the back, break up the pieces, place in the envelope, and mail!

Your mission: Help the spy evade prying eyes by providing guidance on his position. All arrows must point to at least one empty space and not at each other; they most certainly must never point towards the spy or else you fail the mission!

This book contains everything you need to create ten sticker paintings on study card stock.

A fun collection of daily crosswords from The Wall Street Journal—edited by Mike Shenk, a legend among puzzle fans!

Can you solve the riddles of the cemetery before it’s too late?