The book "A new subspecies of fruit-eating bat, Sturnira ludovici, from western Mexico" by Jones J. Knox and Gary L. Phillips is the result of many years of research and observations in the wild. In this book, the authors present the discovery of a new subspecies of the bat, Sturnira ludovici, which was discovered in the western part of Mexico. They describe in detail the physical characteristics of this subspecies, its behavior, ecology and habitat. The authors' work uses data collected during expeditions, observations in the wild, as well as laboratory research in order to thoroughly study a new subspecies of bat. The book contains illustrations, diagrams and cartographic materials that help the reader better understand the features of this unique species. "A New Subspecies of the Fruit-eating Bat, Sturnira ludovici, From Western Mexico" will be a useful source of information for biologists, zoologists, ecologists, and anyone interested in the nature and fauna of Mexico.