Living Mathematics

The book, which has undergone dozens of reprints both in our country and abroad, remains popular among young and adult readers who are fascinated by the world of entertaining mathematics — or are just discovering it for themselves.
Forget about the boring pages of textbooks. You will find witty and tricky puzzles for cleverness, captivating riddles, mysteries of encrypted correspondence, and amazing tricks with numbers, intricate tricks of mathematical gymnastics, and even short stories with a mathematical secret.
The great popularizer of science Yakov Isidorovich Perelman will help you understand: mathematics is interesting and very, very fun!