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Strengthen your mind with these stimulating workouts. Inspired by a worldwide array of sources, these challenges involve sharpening your language skills—especially your ability to crack cryptogram codes! Solutions included.
Recommendations... Book of Curious and Interesting Puzzles
by David Wells
This collection by a bestselling author consists of more than 560 puzzles from around the world and throughout history. "Of immense interest." — Mathematical Gazette. 382 illustrations.
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| |  Sam Loyd's Book of Tangrams
by Sam Loyd
This classic by a famed puzzle expert features 700 tangrams and solutions, plus a charming satirical commentary on the puzzle's origins, its religious significance, and its relationship to mathematics.
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Products in Cryptography, Tangrams, More | | |  | Bible Quotations Crossword Puzzles
by Boris Randolph
Each of 66 puzzles features a quote ultimately revealed upon completion. Familiar and lesser-known extracts, all from the King James Version; complete solutions, plus chapter and verse.
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| | Book of Curious and Interesting Puzzles
by David Wells
This collection by a bestselling author consists of more than 560 puzzles from around the world and throughout history. "Of immense interest." — Mathematical Gazette. 382 illustrations.
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|  | The Canterbury Puzzles
by H. E. Dudeney
110 ingenious puzzles, presented as incidents in connected stories, including 31 problems amusingly posed by pilgrims in Chaucer's Canterbury Tales. Solutions included.
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|  | Cryptanalysis: A Study of Ciphers and Their Solution
by Helen F. Gaines
Thorough, systematic introduction to serious cryptography, especially strong in modern forms of cipher solution used by experts. Simple and advanced methods. 166 specimens to solve — with solutions.
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| |  | French Crossword Puzzles for Practice and Fun
by Heather McCoy
Seventy-two puzzles for French-language students at all levels help build vocabularies and sharpen spelling skills. Crosswords include English clues with French answers, French clues with English answers, and French clues with French answers.
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| | |  | The Greatest Puzzles of All Time
by Matthew J. Costello
Treasury of challenging brainteasers by Sam Loyd, Johnny Eck, Henry Dudeney, other masters. Stories behind puzzles, earliest riddles, birth of crossword puzzles, much more. Introduction. 146 illustrations.
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|  | Magic Cubes: New Recreations
by William H. Benson, Oswald Jacoby
No advanced mathematical knowledge to construct these three-dimensional mind bogglers; including pandiagonal and perfect cubes — many entirely new constructions, too. 111 figures.
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|  | The Moscow Puzzles: 359 Mathematical Recreations
by Boris A. Kordemsky
Most popular Russian puzzle book ever published. Brain teasers range from simple "catch" riddles to difficult problems. Lavishly illustrated. First English translation. Introduction. Solutions.
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|  | Origami and Math: Simple to Complex
by John Montroll
Thirty-nine models, each created from a single square sheet of paper, range from simple to very complex and involve mathematical principles. Models include polygons, examples of pentagonal symmetry, much more.
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|  | The Puzzling Adventures of Dr. Ecco
by Dennis Shasha
Join math detective in solving nearly 40 puzzles inspired by methods in computer science and mathematics. The Tower of Lego, Odd Doors Problem, Spies and Double Agents, many more. Solutions.
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|  | Quick Crossword Puzzles
by Victoria Fremont
30 fun-filled puzzles focus on a wide range of subjects: animals, body parts, cards, food, Christmas and much more. For older children and adults.
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|  | Rediscovered Lewis Carroll Puzzles
by Lewis Carroll, Edward Wakeling
Forty-two mathematical mind-benders: Castle Croquet, A Sticky but Polished Riddle, Who's Coming to Dinner?, A New Way to Pay Old Debts, Feeding the Cat, and more. Solutions.
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| | Sam Loyd's Book of Tangrams
by Sam Loyd
This classic by a famed puzzle expert features 700 tangrams and solutions, plus a charming satirical commentary on the puzzle's origins, its religious significance, and its relationship to mathematics.
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|  | Spanish Crossword Puzzles for Practice and Fun
by Palmira I. Rojas-Otero
These 72 puzzles will sharpen vocabulary and spelling skills of Spanish-language students at all levels. They include English clues with Spanish answers, Spanish clues with Spanish answers, and Spanish clues with English answers. Solutions.
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|  | Spot-the-Difference Picture Puzzles
by Helen J. Lee
56 visual puzzles ask players to find differences between 2 pictures, match a silhouette to its corresponding figure, and more. Instructions and solutions included.
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|  | Tangrams: 330 Puzzles
by Ronald C. Read
This collection gathers together nearly 330 tangrams, the best creations of both Chinese and Occidental puzzle devisers. Puzzles range from the relatively easy to the difficult.
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