Henry Carter Hull

Noted mathematician T. H. O'Beirne leads readers through a delightful maze of problems and solutions that are as artfully formed as any great poem or melody. Most require little mathematical knowledge, just careful logic and a playful imagination. Each chapter presents a series of thematically related brainteasers: difficult journeys featuring unlikely passengers and inadequate transport; geometric paradoxes; pouring liquid puzzles; cube and color...

From ancient riddles to modern Sudoko, people have been fascinated by puzzles. Whether they are seen as a glorious waste of time, a harmless way to spend a train journey or a valuable way of exercising the mind, the lure of puzzles has been irresistible. By using over 100 examples of the most mindbending, the most challenging, the most satisfying, or simply the most humorous puzzles throughout the ages, William Hartston traces the development of brainteasers...

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.

Perfect for Sudoku fans, the rules for these 100 logic puzzles are simple, and the math is easy. But, the puzzles get harder and harder! Once you match wits with area mazes, you'll be hooked! Your quest is to navigate a network of rectangles to find a missing value. Just Remember: • Area = length × width • Use spatial reasoning to find helpful relationships • Whole numbers are all you need. You can always get the answer without using fractions! Originally...

This deck, from acclaimed Puzzlemaster Will Shortz, crossword puzzle editor for the New York Times and regular guest on NPR's Weekend Edition Sunday , are packed with 75 brainteasers and mindbenders, each designed to challenge puzzlers of all stripes. A perfect gift for puzzle enthusiasts of all ages who want to test their brainpower while standing in line, commuting to work, or hanging out with friends.

Bad guys of the world beware! Slylock Fox is on the case in this super fun book of mystery puzzles. The brave Scarlet Sleuth uses his keen eyesight and sharp mind to help him unravel even the toughest mysteries. That's why, when it comes to solving crimes, no one outfoxes the Fox. Kids, put your thinking caps on and solve the mystery in each picture. Is Count Weirdly innocent or is he responsible for releasing the monster? Use logic and clues within...

Praised for its "exceptionally good value" by the Journal of Recreational Mathematics, this book offers fun-filled insights into many fields of mathematics. The brainteasers include original puzzles as well as new approaches to classic conundrums. A vast assortment of challenges features domino puzzles, the game of noughts and crosses, games of encirclement, sliding movement puzzles, subtraction games, puzzles in mechanics, games with piles of matches,...

This is, quite simply, the best and most popular puzzle book ever published in the Soviet Union. Since its first appearance in 1956 there have been eight editions as well as translations from the original Russian into Ukrainian, Estonian, Lettish, and Lithuanian. Almost a million copies of the Russian version alone have been sold. Part of the reason for the book's success is its marvelously varied assortment of brainteasers ranging from simple "catch"...

"Will delight and inform anyone who enjoys rigorous thinking and the unexpected conclusions it delivers." -- Jamie Whyte, author of Crimes Against Logic "This ingenious gallop through the mind of Steven Landsburg enables you to think like an economist without incurring a Keynesian headache or a huge student loan. You may even end up 'smarter than Google.' But you will not readily put down this exhilarating adventure in ideas." -- George Gilder, author...

Mind-effing factoids-from anatomy awareness to CIA cats-and quirky commentary that give the traditional trivia book a fun reboot. Which came first, Brad Pitt or lasers? Who, what, or where is "shrapnel" named after? And can you really use cheese to tell the future? These questions and many more are answered in Good Job, Brain!, a collection of freaky facts, perplexing puzzles, and quirky quizzes based on the award-winning podcast of the same name. So...