The colorful illustrations and magical stories of this book will take you into the fabulous world of the science of chemistry, and the reader's companions in this adventure will be the charming Hydra Genii and his numerous brothers, who descended straight from the periodic table.These amazing characters meet us every day, and now it's time to find out who they are: the irreplaceable Boron, hardworking Chrome, mesmerizing Neon and many other elementals will tell us about themselves and their role in the universe where we live. Each fairy tale is a journey that will not only captivate the reader, but also help to better understand what the world around us consists of!The bearded Chemist is the host of the blog of the same name, moderator of the All–Russian forum of classroom teachers, nominee of the Znanie award. Award", author of a joint project with Rosatom "Secrets of the atom: Radiochemistry", Ambassador of VK.For middle and high school age.