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Geometry in the open air

by Yakov Perelman ...

This book intends to arouse the reader’s interest in geometry especially teens who see it as a cold abstract area of mathematics. Through simple problems, illustrative examples, and interesting stories, the author uses geometric notions to address situations one may face in the open air. This includes measuring the height of a tree without having to climb it, estimating the distance of remote ... Read more

$5.39 USD or Free with Kobo Plus

This book intends to arouse the reader’s interest in geometry especially teens who see it as a cold abstract area of mathematics. Through simple problems, illustrative examples, and interesting stories, the author uses geometric notions to address situations one may face in the open air. This includes measuring the height of a tree without having to climb it, estimating the distance of remote
... Read more
Mechanics for Entertainment

by Yakov Perelman ...

Unfortunately, the extent of our physics knowledge still does not allow us to see clearly the crucial importance of this science. A wide range of physics notions such as the theory of motion, strength, force, and mechanics in general are still vague for beginners. Those “who do not know movement, do not understand nature” Aristotle once said. Although several pages of the author’s book “Physics ... Read more

$7.99 USD

Unfortunately, the extent of our physics knowledge still does not allow us to see clearly the crucial importance of this science. A wide range of physics notions such as the theory of motion, strength, force, and mechanics in general are still vague for beginners. Those “who do not know movement, do not understand nature” Aristotle once said. Although several pages of the author’s book “Physics
... Read more
Amazing Experiments for Young Physicists

by Yakov Perelman, Brian Williams ...

You don’t know that much about physics. You don’t understand everything about gravity, magnetism, electricity or light, but you are curious and want to know more about these fields. This book helps you reaching this objective using many instructive and entertaining experiments. These are simple enough to be carried out using everyday objects at home or around it. They will fascinate not only ... Read more

$4.99 USD

You don’t know that much about physics. You don’t understand everything about gravity, magnetism, electricity or light, but you are curious and want to know more about these fields. This book helps you reaching this objective using many instructive and entertaining experiments. These are simple enough to be carried out using everyday objects at home or around it. They will fascinate not only
... Read more
Entertaining science stories

by Yakov Perelman, Brian Willams ...

In this book, we look into some entertaining stories from famous authors (Leo Tolstoy, Jules Verne, Jonathan Swift, etc.) and analyze them from a scientific point of view. Using simple mathematics and physics tools, we will be able to derive new entertaining questions and answers from these stories. In some occasions, we will be able to accept or refuse the foundations underlying them. ... Read more

$5.39 USD or Free with Kobo Plus

In this book, we look into some entertaining stories from famous authors (Leo Tolstoy, Jules Verne, Jonathan Swift, etc.) and analyze them from a scientific point of view. Using simple mathematics and physics tools, we will be able to derive new entertaining questions and answers from these stories. In some occasions, we will be able to accept or refuse the foundations underlying them.
... Read more
Entertaining science stories

by Yakov Perelman, Brian Willams ...

In this book, we look into some entertaining stories from famous authors (Leo Tolstoy, Jules Verne, Jonathan Swift, etc.) and analyze them from a scientific point of view. Using simple mathematics and physics tools, we will be able to derive new entertaining questions and answers from these stories. In some occasions, we will be able to accept or refuse the foundations underlying them. ... Read more

$5.99 USD or Free with Kobo Plus

In this book, we look into some entertaining stories from famous authors (Leo Tolstoy, Jules Verne, Jonathan Swift, etc.) and analyze them from a scientific point of view. Using simple mathematics and physics tools, we will be able to derive new entertaining questions and answers from these stories. In some occasions, we will be able to accept or refuse the foundations underlying them.
... Read more
Geometry in the open air

by Yakov Perelman ...

This book intends to arouse the reader’s interest in geometry especially teens who see it as a cold abstract area of mathematics. Through simple problems, illustrative examples, and interesting stories, the author uses geometric notions to address situations one may face in the open air. This includes measuring the height of a tree without having to climb it, estimating the distance of remote ... Read more

$5.99 USD or Free with Kobo Plus

This book intends to arouse the reader’s interest in geometry especially teens who see it as a cold abstract area of mathematics. Through simple problems, illustrative examples, and interesting stories, the author uses geometric notions to address situations one may face in the open air. This includes measuring the height of a tree without having to climb it, estimating the distance of remote
... Read more
Arithmetic for Entertainment

by Yakov Perelman ...

This book is different from other books of similar content, not in term of the material it contains but in term of the way this material is processed and presented. It does not only study the arithmetic topics studied in school, but also analyzes how these ones can be used in various other areas and in solving real life problems. Additionally, it does not try to turn enjoyable and entertaining ... Read more

$6.99 USD

This book is different from other books of similar content, not in term of the material it contains but in term of the way this material is processed and presented. It does not only study the arithmetic topics studied in school, but also analyzes how these ones can be used in various other areas and in solving real life problems. Additionally, it does not try to turn enjoyable and entertaining
... Read more
Do you know Physics?

Volume I

by Yakov Perelman ...

This book is different from other books of similar content, not in term of the material it contains but in term of the way this material is presented. It contains fascinating puzzles and stimulating quizzes designed to assess the reader knowledge of physics. While seemingly simple, the puzzles and their solutions often surprise the readers, allow them to understand some of nature’s fundamental ... Read more

$5.93 USD

This book is different from other books of similar content, not in term of the material it contains but in term of the way this material is presented. It contains fascinating puzzles and stimulating quizzes designed to assess the reader knowledge of physics. While seemingly simple, the puzzles and their solutions often surprise the readers, allow them to understand some of nature’s fundamental
... Read more
Quick Arithmetic

Thirty simple tricks of mental arithmetic

by Yakov Perelman ...

This book is a collection of simple and easily grasped tricks to speed up your mental arithmetic. If you want to master them you should realize that to be used fully they need to be approached conscientiously, not mechanically. But it pays to master them as they will enable you to do calculations in your head without error, as with written calculations. ... Read more

$3.99 USD

This book is a collection of simple and easily grasped tricks to speed up your mental arithmetic. If you want to master them you should realize that to be used fully they need to be approached conscientiously, not mechanically. But it pays to master them as they will enable you to do calculations in your head without error, as with written calculations.
... Read more
Geometry in the Open Air

by Yakov Perelman ...

This book intends to arouse the reader’s interest in geometry especially teens who see it as a cold abstract area of mathematics. Through simple problems, illustrative examples, and interesting stories, the author uses geometric notions to address situations one may face in the open air. This includes measuring the height of a tree without having to climb it, evaluating the width of a river, ... Read more

$5.93 USD

This book intends to arouse the reader’s interest in geometry especially teens who see it as a cold abstract area of mathematics. Through simple problems, illustrative examples, and interesting stories, the author uses geometric notions to address situations one may face in the open air. This includes measuring the height of a tree without having to climb it, evaluating the width of a river,
... Read more
Interplanetary Travel

by Yakov Perelman ...

First published in 1915, a best-seller in the 1920s and long out of print, Interplanetary Travel is a short excursion into space physics. Using conundrums, entertaining examples, and unexpected comparisons, Yakov Perelman dispelled some of the public prejudice that prevailed against celestial mechanics and physics of being too abstract and unable to nourish the mind. He explored, in a witty style, ... Read more

$3.49 USD

First published in 1915, a best-seller in the 1920s and long out of print, Interplanetary Travel is a short excursion into space physics. Using conundrums, entertaining examples, and unexpected comparisons, Yakov Perelman dispelled some of the public prejudice that prevailed against celestial mechanics and physics of being too abstract and unable to nourish the mind. He explored, in a witty style,
... Read more
Distant Worlds

by Yakov Perelman ...

The purpose of the book is to initiate the reader into the basic facts of astronomy. Ordinary facts with which you may be acquainted are couched here in unexpected paradoxes, or slanted from an odd and unexpected angle. The theme is, as far as possible, free from “terminology” and technical concepts that so often make the reader shy of books on astronomy. The book contains chapters relating to the ... Read more

$3.99 USD

The purpose of the book is to initiate the reader into the basic facts of astronomy. Ordinary facts with which you may be acquainted are couched here in unexpected paradoxes, or slanted from an odd and unexpected angle. The theme is, as far as possible, free from “terminology” and technical concepts that so often make the reader shy of books on astronomy. The book contains chapters relating to the
... Read more

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Geometry in the open air

Mechanics for Entertainment

Amazing Experiments for Young Physicists

Entertaining science stories

Entertaining science stories

Geometry in the open air

Arithmetic for Entertainment

Do you know Physics?

Quick Arithmetic

Geometry in the Open Air

Interplanetary Travel

Distant Worlds

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