The book "Textbook of Biology. Part 1: Vertebrates" by Herbert George Wells is a popular science work that studies in detail the diverse world of vertebrates. In this book, the author examines in depth the structure and functions of the skeleton, muscles, nervous and skeletal systems of vertebrates. The book also contains important information about classes and subclasses of vertebrates, their characteristics and lifestyle. Using accessible language and visual explanations, the book makes complex scientific concepts understandable to the general public, inspiring a wonderful journey into the natural world. "Biology textbook. Part 1: Vertebrates" is an inexhaustible source of knowledge for those who are interested in natural sciences and wish to deepen their knowledge of living nature.