This book will primarily be of interest to those who are almost unfamiliar with chemistry. Chemistry scares many away due to complex chemical formulas. In fact, at first it is not at all necessary to understand them. The most interesting thing in chemistry is not formulas, but substances, how they behave, and what can be made of them. The reader learns a lot about the chemical elements that make up the world around us, because the history of their discovery and receipt is full of fascinating and dramatic events. He will practice solving funny problems - this is especially nice when a hint is given nearby, and then the correct answer. Finally, he will be able to participate in entertainment related to the playful periodic tables.