The best puzzles and entertaining tasks

At one time, the famous scientist, the popularizer of the physical and mathematical sciences, Yakov Perelman created a new type of taskbook-evidence, learning, cheerful. Years passed, and his legacy does not lose its relevance. This is not surprising, because the tasks proposed by him develop logical thinking, observation and common sense. And most importantly, they show how accessible and interesting it can be to study mathematics, physics and astronomy. This publication can become a kind of manual for intellectual gymnastics for the most inquisitive guys, because on the pages of the book they will find many cunning puzzles, entertaining tasks, intelligible explanations and colorful illustrations. Paradoxical issues that are based on physical and mathematical laws, as well as geometric riddles, arithmetic tricks, optical illusions and labyrinths will help to develop logical abilities, imagination, ability to see their curious essence in everyday phenomena. He wants and knows how to study!