The book "Fauna of the Mesozoic and Cenozoic of Western Mongolia" performed by the team of authors is a unique scientific work that opens an exciting page in the history of life on Earth to the reader. This book will be an indispensable source for fans of paleontology, geology, zoology and anyone interested in the ancient history of our planet. In it, the authors immerse us in the mysterious and amazing world of the Mesozoic and Cenozoic eras, telling about how the fauna of the region of western Mongolia has changed over millions of years, and what mysteries this part of the world hides. What makes the "Mesozoic and Cenozoic Fauna of Western Mongolia" special? First of all, it is a wealth of information, supported by the latest archaeological discoveries and research. The team of authors, combining the efforts of leading experts in the field of paleontology and geology, created a work that not only systematizes the fossil remains found, but also reveals their historical context. The book describes in detail the various species of dinosaurs, mammals, reptiles and other representatives of ancient fauna that lived in the territory of modern Mongolia. The reader will learn about how the ecosystem of the region has changed, what species have disappeared and what have arisen to replace the disappeared, and how these processes are reflected in fossil finds. This book is especially valuable for those who are looking for answers to questions about the origin and evolution of living beings, as well as about global climatic and geological changes that occurred on Earth millions of years ago. It raises topics related to extinctions and species survival, adaptation to new conditions, as well as the role of the region of western Mongolia as an important center of paleontological discoveries. For researchers, students and teachers, it will become a reference book, and for amateurs - a fascinating guide to the ancient worlds. The book pays special attention to the uniqueness of Mongolian fossils - their richness and diversity. It details findings that have changed the understanding of the Mesozoic and Cenozoic fauna, how modern technology allows scientists to reconstruct the appearance of long-vanished creatures, and how this knowledge helps to understand the evolution of life on Earth as a whole. The author’s team, possessing rich experience and passion for research, created a work that is not only informative, but also lively, rich in details and vivid descriptions. The author's style is distinguished by scientific accuracy and accessibility, which makes the book attractive both for professional scientists and for a wide audience interested in the history of life. It combines a rigorous academic approach with fascinating accounts of finds, discoveries, and mysteries of ancient eras. This book is not just a collection of facts, but a real journey into the past, which causes a desire to learn more and understand how life has evolved on our planet. If you are looking for literature that will expand your understanding of the ancient fauna, introduce you to the unique fossils of the region of Mongolia and help you understand the processes of global evolution, the Mesozoic and Cenozoic Fauna of Western Mongolia will be a real discovery for you. This book is a worthy addition to the library of everyone who appreciates scientific research and wants to understand how our world has changed over millions of years. It combines deep knowledge, rich illustration and a passion for discovery, making it an unforgettable read for anyone interested in the history of life on Earth.