The Virgin Book of Killer Sudoku

The Virgin Book of Killer Sudoku

Author: Virgin Books

Publisher: Random House

Published: 2006

Total Pages: 146

ISBN-13: 0753511584

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If you thought Sudoku was difficult, wait until you try Killer Sudoku! The next step up from normal Sudoku, the Killer puzzles use the same grid as Sudoku and require the reader to fill in the numbers 1 to 9 as before. But this time the numbers in the outlined boxes must also all add up to a specific number. Already hugely popular in the national press, the puzzles are a must for Sudoku fans. With five difficulty ratings, from 'very easy' to 'deadly', the 100 brand new Killer Sudoku puzzles in this book will provide a challenge to the most ardent Sudoku addict.


Path Puzzles

Path Puzzles

Author: Roderick Kimball

Publisher:

Published: 2013-08-21

Total Pages: 106

ISBN-13: 9780578127323

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The Path Puzzles book contains over 100 original escape-the-grid type puzzles by Roderick Kimball. Path Puzzles are the perfect thing for people who like Sudoku but are ready for something new.


216 Blank Mega Sudoku 16x16 Grids Large Print

216 Blank Mega Sudoku 16x16 Grids Large Print

Author: Nick Snels

Publisher: PuzzleBooks.net

Published: 2015-02-21

Total Pages: 220

ISBN-13: 1508577536

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When you buy this book you get an electronic version (PDF file) of the interior of this book. This book includes 216 large, blank Sudoku 16x16 grids for you to transfer puzzles over to or to make your own! Only one empty large 16x16 grid per page. You can use the blank Sudoku grids: to transfer Sudoku puzzles from elsewhere to use as practice for any newspaper, magazine, or other Sudoku puzzle to make your own Sudoku puzzles to start over when you made a mistake on a Sudoku puzzle


Krazydad Two Not Touch Volume 1: 360 Star Battle Puzzles to Preserve Your Sanity in These Trying Times

Krazydad Two Not Touch Volume 1: 360 Star Battle Puzzles to Preserve Your Sanity in These Trying Times

Author: Jim Bumgardner

Publisher: Krazydad Two Not Touch

Published: 2020-07-27

Total Pages: 92

ISBN-13: 9781946855367

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From krazydad, constructor of the wildly popular and addictive puzzles published in The New York Times as Two Not Touch, here are 360 of your favorite Star Battle puzzles. These puzzles will provide a healthy diversion for you in these challenging times, and help you make it to the other side with your sanity intact! Includes an instructive and pithy tutorial.


The 125 Best Brain Teasers of All Time

The 125 Best Brain Teasers of All Time

Author: Marcel Danesi

Publisher: Simon and Schuster

Published: 2018-05-22

Total Pages: 208

ISBN-13: 1641520086

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Solve history's greatest puzzles with this classic collection of brain teasers from The Best Brain Teasers of All Time. The best brain teasers are those that have challenged and captivated the attention of puzzle lovers throughout time. Collected here to keep your wits sharp, The Best Brain Teasers of All Time features the cleverest brain teasers from around the world and throughout history. The Best Brain Teasers of All Time gives you hours of fun-filled entertainment with brain teasers that develop your problem-solving skills in math, logic, and wordplay. Organized as an integrated challenge, these brain teasers build in momentum as they increase in difficulty from classic nursery rhymes to the riddle of the sphinx. The Best Brain Teasers of All Time puts your mind to the test with: 125 Brain Teasers that require no special skills to solve. Plus, each question comes with an optional clue in case you get stumped and a handy answer key in the back to test yourself or play with friends Brain Teasers for Every Level that cater to beginners and advanced masterminds alike, with brain teasers organized by level of difficulty to improve your skills as you move forward Hints of History that provide fun facts and background information for every brain teaser Get ready to sharpen your wit with every "aha" moment. The Best Brain Teasers of All Time is a go-to source for timeless fun and mind-blowing challenges.


The OPL Optimization Programming Language

The OPL Optimization Programming Language

Author: Pascal Van Hentenryck

Publisher: MIT Press (MA)

Published: 1999

Total Pages: 245

ISBN-13: 9780262720304

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OPL (Optimization Programming Language) is a new modeling language for combinatorial optimization that simplifies the formulation and solution of optimization problems. Perhaps the most significant dimension of OPL is the support for constraint programming, including sophisticated search specifications, logical and higher order constraints, and support for scheduling and resource allocation applications. This book, written by the developer of OPL, is a comprehensive introduction to the OPL programming language and its application to problems in linear and integer programming, constraint programming, and scheduling. Readers should be familiar with combinatorial optimization, at least from an application standpoint.


The Kids' Book of Awesome Riddles

The Kids' Book of Awesome Riddles

Author: Amanda Learmonth

Publisher: Buster Books

Published: 2019-10-03

Total Pages: 160

ISBN-13: 9781780556352

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This brain-bending collection of the trickiest riddles for clever kids is packed with hundreds of cunning conundrums and perplexing puzzles that will keep kids guessing. The riddles are accompanied with fun illustrations that add humour, but won't give the game away. From quick, easy riddles to keep your brain ticking over, to longer riddles that involve some serious brainpower, The Kids' Book of Awesome Riddles has something for everyone to enjoy.


Mathematics and Chess

Mathematics and Chess

Author: Miodrag Petkovi?

Publisher: Courier Corporation

Published: 1997-01-01

Total Pages: 164

ISBN-13: 9780486294322

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99 puzzles built around the chessboard. Arithmetical and probability problems, chessboard recreations, geometrical puzzles, mathematical amusements and games, more. Solutions.


The Everything Kids Riddles & Brain Teasers Book

The Everything Kids Riddles & Brain Teasers Book

Author: Kathi Wagner

Publisher: Everything

Published: 2004-03-08

Total Pages: 144

ISBN-13: 9781593370367

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Guaranteed to keep kids laughing for hours! Brain teasers and riddles have been proven to build kids’ mental acuity. The Everything Kids’ Riddles and Brain Teasers Book does this and more, giving children a place to learn—and laugh—all in one! Packed full of puzzles, games, and activities, The Everything Kids’ Riddles and Brain Teasers Book is sure to keep audiences in stitches.


Problem Solving Through Recreational Mathematics

Problem Solving Through Recreational Mathematics

Author: Bonnie Averbach

Publisher: Courier Corporation

Published: 2012-03-15

Total Pages: 482

ISBN-13: 0486131742

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Fascinating approach to mathematical teaching stresses use of recreational problems, puzzles, and games to teach critical thinking. Logic, number and graph theory, games of strategy, much more. Includes answers to selected problems. Free solutions manual available for download at the Dover website.