Cryptograms and Spygrams

Cryptograms and Spygrams PDF Author: Norma Gleason
Publisher: Courier Corporation
ISBN: 9780486240367
Category : Games & Activities
Languages : en
Pages : 130

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Book Description
Contains over one hundred puzzles and problems to solve, ranging in difficulty from relatively simple to complex, and includes an answer key.

Cryptograms and Spygrams

Cryptograms and Spygrams PDF Author: Norma Gleason
Publisher: Courier Corporation
ISBN: 9780486240367
Category : Games & Activities
Languages : en
Pages : 130

Get Book Here

Book Description
Contains over one hundred puzzles and problems to solve, ranging in difficulty from relatively simple to complex, and includes an answer key.

Fun with Codes and Ciphers Workbook

Fun with Codes and Ciphers Workbook PDF Author: Norma Gleason
Publisher: Courier Corporation
ISBN: 9780486254050
Category : Juvenile Nonfiction
Languages : en
Pages : 54

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Book Description
Decode 68 secret messages—backward ciphers, false word divisions, null ciphers and much more with this fascinating, fun-filled book. Solutions.

The Greatest Puzzles of All Time

The Greatest Puzzles of All Time PDF Author: Matthew J. Costello
Publisher: Courier Corporation
ISBN: 0486292258
Category : Games & Activities
Languages : en
Pages : 194

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Book Description
Challenging collection includes some of the worldrsquo;s most perplexing brain-teasers by such masters as Sam Loyd, Johnny Eck and Henry Dudeney. Also, the stories behind the creation of the puzzles, the worldrsquo;s earliest riddles, the birth of the crossword puzzle, much more. Introduction. 146 illus.

Famous Cities Search-a-Word Puzzles

Famous Cities Search-a-Word Puzzles PDF Author: Peter Lewis
Publisher: Courier Corporation
ISBN: 9780486413709
Category : Juvenile Nonfiction
Languages : en
Pages : 84

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Book Description
Find groups of letters that spell the names of waterways, airports, landmarks, royal residences, and more of such cities as Rome, Mecca, Oslo, Montreal, Hong Kong, Istanbul, Athens, and New York. 50 puzzles.

Dr. Ecco: Mathematical Detective

Dr. Ecco: Mathematical Detective PDF Author: Dennis Shasha
Publisher: Courier Corporation
ISBN: 0486169316
Category : Science
Languages : en
Pages : 274

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Book Description
DIVThe heroic Dr. Ecco uncovers a fiendish plot in this collection of original puzzles inspired by research methods of computer science and mathematics. No sophisticated mathematical background necessary. Solutions. /div

Challenging Mathematical Teasers

Challenging Mathematical Teasers PDF Author: James Alston Hope Hunter
Publisher: Courier Corporation
ISBN: 9780486238524
Category : Games & Activities
Languages : en
Pages : 130

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Book Description
100 tough story teasers for the jaded. More difficult algebraically than typical puzzles, and ideal for confirmed puzzle fanatic, but appendices help less experienced. Step-by-step solutions to all 100 puzzles. Also 40 new alphametics — solvable by simple arithmetic and logical reasoning — with answers, and two sample solutions.

The Alien IQ Test

The Alien IQ Test PDF Author: Clifford A. Pickover
Publisher: Courier Corporation
ISBN: 9780486420073
Category : Games & Activities
Languages : en
Pages : 148

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Book Description
Presents a collection of exercises and puzzles that test mental acuity, mathematical prowess, abstract reasoning, moral sensitivity, and concepts of beauty.

Mathematical Brain Benders

Mathematical Brain Benders PDF Author: Stephen Barr
Publisher: Courier Corporation
ISBN: 9780486242606
Category : Games & Activities
Languages : en
Pages : 242

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Book Description
Challenge yourself with over 100 fresh paradoxes, puzzles, riddles, conundrums, word and number games for the jaded, skeptical puzzlist. Over 100 pages of comprehensive answers. Approximately 300 illustrations. "Excellent collection of unusual, offbeat, and completely original puzzles." ? Scientific American.

The Enjoyment of Mathematics

The Enjoyment of Mathematics PDF Author: Hans Rademacher
Publisher: Courier Corporation
ISBN: 9780486262420
Category : Mathematics
Languages : en
Pages : 228

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Book Description
Requiring only a basic background in plane geometry and elementary algebra, this classic poses 28 problems that introduce the fundamental ideas that make mathematics truly exciting. "Excellent . . . a thoroughly enjoyable sampler of fascinating mathematical problems and their solutions"—Science Magazine.

Entertaining Mathematical Teasers and how to Solve Them

Entertaining Mathematical Teasers and how to Solve Them PDF Author: James Alston Hope Hunter
Publisher: Courier Corporation
ISBN: 9780486245003
Category : Games & Activities
Languages : en
Pages : 132

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Book Description
160 math teasers and 40 alphametics will provide hours of mind-stretching entertainment. Accessible to high school students. Solutions. Four Appendices.