The rules are simple . . . The math is easy . . . The puzzles get harder and harder
The most mind-bending puzzles on the internet appear weekly in Oliver Roeder's "The Riddler" column. Presented by Nate Silver's FiveThirtyEight, an online mecca for statistics nerds, the column attracts a rabid community of puzzlers (including the coach of the U.S. Math Olympiad team and a scientist at NASA's Jet Propulsion Laboratory) who rush to submit solutions and extensions.
A NEW day-of-the-week series with 100 puzzles in a convenient portable paperback package
You know you’re a seasoned puzzle solver when you can crack the tricky New York Times Friday crossword. Give it your best shot with this collection of 100 tough puzzles.
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A NEW day-of-the-week series with 100 puzzles in a convenient portable paperback package
Nobody loves Monday best...unless you're a New York Times crossword puzzle solver! This collection of 100 easy crosswords will give you a case of the Mondays in the best possible way.
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The next in our new series of only the toughest puzzles for serious sudoku solvers!
Do you have what it takes? These 200 challenging sudoku puzzles from Will Shortz will keep your mind sharp!
Features:
- 200 hard puzzles
- Big grids for easy solving
- Introduction by legendary Puzzlemaster Will Shortz
Awesome card tricks that work like magic!
Have you ever wanted to fascinate your friends with illusions? Developed by John Railing, one of the country’s top close-up magicians, this kit will help you learn twenty-five awesome card tricks.
A star-studded twist on the creativity-sparking game that invites players to complete drawings and stories—without knowing where they started—to produce surprising collaborations
The next in the highly anticipated new series of New York Times mini crossword puzzles
Only got a minute of free time? That's all you need to complete a New York Times mini crossword puzzle! Conveniently pint-sized and easy to solve, these charming minis are too cute for any puzzler to resist.
The next in our new series of New York Times Sunday crosswords: bigger and better!
The Sunday New York Times crossword has been a beloved fixture for seventy-five years. It’s America’s favorite—and most famous—crossword puzzle. Now the extra-large Sunday puzzles are bigger and better: easier on the eyes for stress-free solving!
The next big--and challenging --idea for the adult activity market from Nikoli, the creators of the original Sudoku puzzles and author of Workman's bestselling Original Sudoku series, with 1.2 million copies in print.
Are you ready for the latest and greatest compilation of puzzles from the master himself Richard Manchester? Well, Manchester has put together a collection of over 300 first rate logic problems. For each puzzle, readers are given a quick background story and a list of text based clues and then left with only pure logic and deduction to arrive at the solution.
Ten easy lessons teach beginning and novice players everything they need to play and win at chess!
This new edition, perfect for beginning and intermediate players, is designed with a cleaner, easier text design and large easy-to-use diagrams. Ten easy lessons teach beginning and novice players everything they need to play and win at chess.
