David Hillel Goodman – författare

LEARN SHORTCUTS Many of the puzzles will seem as though they will take longer than two minutes to solve, but ... there are shortcuts if you can find them!! There are faster ways to solve each problem and dilemma. The Two-Minute Puzzle Book will teach you to look for such loopholes and shortcuts!ENGAGING THEMATIC PUZZLES From Chapter One's "The One and Only" through Chapter Nine's "The Whole Nine Yards", each chapter contains puzzles related to the chapter's theme. For example, in the second chapter, you will find mechanical puzzles with double pieces, riddles about couples, line puzzles and more.There are match puzzles, tangram-related puzzles, paper puzzles, geometric puzzles and mathematical puzzles to tease and occupy all types of puzzlists. Some require intuition but all are two minutes away from a solution.UNIQUE CHALLENGES As with their previous puzzle books, the authors, David Goodman and Ilan Garibi, aim to provide a fresh and original book. Many of the puzzles are coming from their heads and are not retreads!! There are some classic puzzles too, but the authors present them in an original way.CULTIVATE YOUR BRAIN TO THINK CREATIVELY Crack open this book and allow the puzzles presented to train your brain. Always look for a bypass or shortcut. Find a different point of view. By rephrasing the question, a solution may surface!We hope that this book will tickle your imagination and sharpen your mind. You just might begin to solve everyday "real-world" problems differently. FLEX YOUR BRAIN.

LEARN SHORTCUTS Many of the puzzles will seem as though they will take longer than two minutes to solve, but ... there are shortcuts if you can find them!! There are faster ways to solve each problem and dilemma. The Two-Minute Puzzle Book will teach you to look for such loopholes and shortcuts!ENGAGING THEMATIC PUZZLES From Chapter One's "The One and Only" through Chapter Nine's "The Whole Nine Yards", each chapter contains puzzles related to the chapter's theme. For example, in the second chapter, you will find mechanical puzzles with double pieces, riddles about couples, line puzzles and more.There are match puzzles, tangram-related puzzles, paper puzzles, geometric puzzles and mathematical puzzles to tease and occupy all types of puzzlists. Some require intuition but all are two minutes away from a solution.UNIQUE CHALLENGES As with their previous puzzle books, the authors, David Goodman and Ilan Garibi, aim to provide a fresh and original book. Many of the puzzles are coming from their heads and are not retreads!! There are some classic puzzles too, but the authors present them in an original way.CULTIVATE YOUR BRAIN TO THINK CREATIVELY Crack open this book and allow the puzzles presented to train your brain. Always look for a bypass or shortcut. Find a different point of view. By rephrasing the question, a solution may surface!We hope that this book will tickle your imagination and sharpen your mind. You just might begin to solve everyday "real-world" problems differently. FLEX YOUR BRAIN.

"This is a marvellous book. The diversity of possible puzzles that can be given with these very limited resources, which are basically some paper and scissors, is overwhelming, and the challenges are sometimes very tough. Even the two-star problems may be hard for an untrained puzzler. This is medicine against boredom on long rainy days, but be careful not to get addicted or it may suck up your less empty and sunny days as well." See Full ReviewEuropean Mathematical Society ALL YOU NEED IS PAPER! All the puzzles inside are made out of paper — from simple teasers to extreme brain workouts!ORIGINAL DESIGNS Co-developed by a mathematician, an origami artist and a mechanical puzzle maker, this inventive book provides a unique and invaluable collection of a large, comprehensive and diverse variety of paper puzzles. And they only require a sheet of paper and perhaps a pair of scissors!EASY TO CHALLENGING There are 99 unique puzzles including paper strip puzzles, Möbius strips and flexagons, two-dimensional sheet folding, 'fold-and-cut' puzzles, 3D dissections and constructions, sequence folding puzzles, origami puzzles and even paper toys and magic. PROVIDES HOURS OF FUN Anyone of any age can find hours of enjoyment and challenge!LEARNING GEOMETRY, MATHEMATICS AND PROBLEM-SOLVING CHALLENGES CAN BE FUN! For students and teachers; parents and children; amateur and skilled mathematicians, and puzzle lovers.LEARN CONCEPTS AS YOU GO! Many of the puzzles are new and original, they complement the classic puzzles that are included and all of them come with a solution as well as a mathematical and geometrical explanation that can be easily understood by all. The layout of the book, with its extensive puzzles, solutions and detailed descriptions, make it a sure candidate as the paper puzzle 'bible' for enthusiasts and puzzle lovers everywhere.

"This is a marvellous book. The diversity of possible puzzles that can be given with these very limited resources, which are basically some paper and scissors, is overwhelming, and the challenges are sometimes very tough. Even the two-star problems may be hard for an untrained puzzler. This is medicine against boredom on long rainy days, but be careful not to get addicted or it may suck up your less empty and sunny days as well." See Full ReviewEuropean Mathematical Society ALL YOU NEED IS PAPER! All the puzzles inside are made out of paper — from simple teasers to extreme brain workouts!ORIGINAL DESIGNS Co-developed by a mathematician, an origami artist and a mechanical puzzle maker, this inventive book provides a unique and invaluable collection of a large, comprehensive and diverse variety of paper puzzles. And they only require a sheet of paper and perhaps a pair of scissors!EASY TO CHALLENGING There are 99 unique puzzles including paper strip puzzles, Möbius strips and flexagons, two-dimensional sheet folding, 'fold-and-cut' puzzles, 3D dissections and constructions, sequence folding puzzles, origami puzzles and even paper toys and magic. PROVIDES HOURS OF FUN Anyone of any age can find hours of enjoyment and challenge!LEARNING GEOMETRY, MATHEMATICS AND PROBLEM-SOLVING CHALLENGES CAN BE FUN! For students and teachers; parents and children; amateur and skilled mathematicians, and puzzle lovers.LEARN CONCEPTS AS YOU GO! Many of the puzzles are new and original, they complement the classic puzzles that are included and all of them come with a solution as well as a mathematical and geometrical explanation that can be easily understood by all. The layout of the book, with its extensive puzzles, solutions and detailed descriptions, make it a sure candidate as the paper puzzle 'bible' for enthusiasts and puzzle lovers everywhere.

THE TANGRAM is one of the oldest types of dissection puzzles in the world that originated from China. It traditionally requires the participant to arrange seven pieces (or "tans") into a shape just by looking at the given silhouette.LEARN WHILE PLAYING The puzzles in this unique book are fresh, innovative and compelling. The puzzle pieces are building units for puzzles that boost mental dexterity with a variety of challenges from various fields of recreational mathematics. Come on and play with symmetry puzzles, cover-up puzzles and self-similarity puzzles to increase your skill and mental acuity!NEW PUZZLE DESIGNS To add variety and challenge, some of the puzzles may not use all seven pieces of the Tangram set, while others may use pieces from two or more sets.The authors utilize a creative twist in this collection that is different from classic Tangram puzzles: Most of the puzzles do not allow connections between the pieces unless they share a common edge. With this slight change to the rules, an entirely new universe of Tangram puzzles and challenges is unleashed to delight the puzzle solver!PROVIDES HOURS OF FUN The majority of the puzzles in this book are new and original. They range in difficulty to suit various levels of puzzle enthusiasts. Some selections are based upon famous classic puzzles while others are modified to stimulate and captivate the puzzlist as they have done for more than a thousand years!

THE TANGRAM is one of the oldest types of dissection puzzles in the world that originated from China. It traditionally requires the participant to arrange seven pieces (or "tans") into a shape just by looking at the given silhouette.LEARN WHILE PLAYING The puzzles in this unique book are fresh, innovative and compelling. The puzzle pieces are building units for puzzles that boost mental dexterity with a variety of challenges from various fields of recreational mathematics. Come on and play with symmetry puzzles, cover-up puzzles and self-similarity puzzles to increase your skill and mental acuity!NEW PUZZLE DESIGNS To add variety and challenge, some of the puzzles may not use all seven pieces of the Tangram set, while others may use pieces from two or more sets.The authors utilize a creative twist in this collection that is different from classic Tangram puzzles: Most of the puzzles do not allow connections between the pieces unless they share a common edge. With this slight change to the rules, an entirely new universe of Tangram puzzles and challenges is unleashed to delight the puzzle solver!PROVIDES HOURS OF FUN The majority of the puzzles in this book are new and original. They range in difficulty to suit various levels of puzzle enthusiasts. Some selections are based upon famous classic puzzles while others are modified to stimulate and captivate the puzzlist as they have done for more than a thousand years!

A NEW TWIST ON A POPULAR PUZZLE CUBE! Invented by Piet Hein, the Soma cube is one of the most famous mechanical puzzles in the world. The traditional challenge and outcome is to build a cube or other structures from all seven pieces.CHANGE THE RULES, CHANGE THE OUTCOME! The puzzles in this unique Soma-inspired collection are no longer predicated upon using all seven pieces at one time! By varying the number of pieces, there are many new and versatile puzzle challenges, from all types of recreational mathematics fields. For example, you will find symmetry puzzles, cover-up puzzles, and even fraction puzzles. The chapters are divided according to the number of pieces used; from single-piece puzzles to puzzles requiring a complete set.WHY USE THE SOMA CUBE? From the moment our creative team changed their rules of engagement for this new collection, the potential puzzle challenges and their solutions became nearly limitless! There is something magical and enchanting in those seven pieces that enabled us to find many puzzles and challenges!NEW CHALLENGES Most of the puzzles demonstrated within the book are original. Some are based on classic puzzles, as well as more modern ones, modified and presented by using the set of Soma pieces.LOW COST AND HIGH INTEREST FOR HOURS OF ENTERTAINMENT WITH INCREASING COMPLEXITY! This is a unique collection of puzzles — all you need is a set of the Soma cube. The puzzles range from easy to difficult and they appeal to a wide audience — all within the reach of the general public. It presents many geometrical and mathematical principles, and makes them easier to understand. However, no special knowledge in mathematics or geometry is required.