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Sudoku Extreme, Volume 1

by YobiTech Consulting

Sudoku Extreme Volume 1 book contains total of 228 hard puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish. This book was...


Mathematics, Magic and Mystery

by Martin Gardner

Why do card tricks work? How can magicians do astonishing feats of mathematics mentally? Why do stage "mind-reading" tricks work? As a rule, we simply accept these tricks and "magic" without recognizing that...


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. Nihilist, grille, U. S. Army, key-phrase, multiple-alphabet, Gronsfeld, Porta,...


Puzzled: Secrets and clues from a life in words

by David Astle

As a child, David Astle's hero was the Riddler. Figuring out brainteasers like 'Where is a man drowned but still not wet?' (quicksand) and 'How many sides has a circle?' (two - the inside and the outside) became...


Golf on the Moon: Entertaining Mathematical Paradoxes and Puzzles

by Dick Hess

Divide a rectangular cake into five even pieces, calculate the cost of running a successful casino, figure out the maximum number of losses on the road to winning the U.S. Open Tennis Championship, and solve...


Riddles in Mathematics: A Book of Paradoxes

by Eugene P Northrop & Daniel S. Silver

Two fathers and two sons leave town. This reduces the population of the town by three. True? Yes, if the trio consists of a father, son, and grandson. This entertaining collection consists of more than 200 such...


Jumble(r) Circus: A Three-Ring Puzzle Extravaganza!

by Tribune Media Services

This collection of Jumble® puzzles—which have been enjoyed by millions of newspaper readers for more than 40 years—features hundreds of mixed-up words coupled with cartoon clues, where one letter from each...


The Pocket Book of Frame Games: Hundreds of Mind-Bending Word Puzzles from the King of Brain Teasers!

by Terry Stickels

Frame games, as seen in USA WEEKEND magazine and read by more than 48,000,000 people in 600 newspapers weekly, are an extremely popular and amusing form of word puzzle that represent a famous phrase, song, person,...


Puns, Puzzles, and Wordplay: Fun and Games for Language Lovers

by Jim Bernhard

Are you a word-sleuth? Do you derive great pleasure in punning away an afternoon or tackling the crossword puzzle like a fiend? Does the combination of humor and etymological scholarship make you weak in the...


Tangrams Book

by James Lyon

Use the tans to make pictures and you will improve your lateral thinking and creativity. Based on the best-selling Book-in-a-Box kits, with The Tangrams Book, you can stretch the visual side of your brain--whatever...


Puzzle-based Learning: An introduction to critical thinking, mathematics, and problem solving

by Zbigniew Michalewicz & Matthew Michalewicz

What is missing in most curricula - from elementary school all the way through to university education - is coursework focused on the development of problem-solving skills. Most students never learn how to think...


Beef Up Your Brain: The Big Book of 301 Brain-Building Exercises, Puzzles and Games!

by Michel Noir

  • The other titles in this series have sold extremely well
  • Scientific Brain Training, the company behind the series, is becoming increasingly popular in the U.S.
  • Weekly puzzles featured in AARP magazine


Mighty Mini Mind Bogglers

by Karen C. Richards

Great for classrooms and free-time fun, these small but substantial challenges offer lighthearted, nonacademic approaches to a variety of math, logic, and verbal conundrums. Most can be completed in only a few...


Plants vs. Zombies Game Guide and Tips

by Joyner Joseph

Plants vs. Zombies is a very popular online game that has been getting a lot of attention not just in the online community but also offline. The object of the game is to kill zombies before they get you. But...


Pet Rescue Saga Game Guide and Tips

by Joyner Joseph

Pet Rescue Saga is a puzzle game that is available on Facebook. It is a game that requires the player to remove blocks of the same color to be able to rescue pet animals hence it was named Pet Rescue Saga. The...


Pepper Panic Saga Game Guide and Tips

by Joyner Joseph

Pepper Panic Saga is a Facebook and mobile app game from King. It is a match 3 puzzle game that rivals other games from King namely Candy Crush Saga, Papa Pear Saga and Pet Rescue Saga. There are many similarities...


Papa Pear Saga Game Guide and Tips

by Joyner Joseph

Papa Pear Saga is a puzzle game on Facebook and it is also available on mobile app stores for iOS and for Android phones. It is a game made of different levels where you need to solve the first puzzle to move...


Farm Heroes Saga Game Guide and Tips

by Joyner Joseph

Farm Heroes Saga is a matching game available on Facebook, on android apps, on iPad and iPhone apps. It was popularized on Facebook and now it is gaining a lot of popularity on mobile apps since it is easy to...


My Best Mathematical and Logic Puzzles

by Martin Gardner

The noted expert selects 70 of his favorite "short" puzzles, including such mind-bogglers as The Returning Explorer, The Mutilated Chessboard, Scrambled Box Tops, and dozens more involving logic and basic math....


Codes, Ciphers and Secret Writing

by Martin Gardner

Cipher and decipher codes: transposition and polyalphabetical ciphers, famous codes, typewriter and telephone codes, codes that use playing cards, knots, and swizzle sticks . . . even invisible writing and sending...