The world around us is full of amazingly beautiful and complex figures, examples of which include an ordinary flower and the broken lines of fjords.  Among them, a special place is occupied by polyhedrons - figures of special charm with a rich pedigree. Over the centuries, they have attracted the attention of not only geometers, but also crystallographers, architects, artists, sculptors and jewelers.  Readers of this book will discover an amazing section of geometry dedicated to polyhedra and get acquainted with original ways of using these bodies.  Welcome to the multifaceted world!