"Review of Central American tree frogs of the genus Ptychohyla" is a scientific work authored by William Edward Duellman, devoted to the study of species of frogs of the genus Ptychohyla, which are common in Central America. In the book, the author describes in detail the biological features of these frogs, their ecology, morphology and taxonomy. Duellman highlights important aspects of the classification and phylogeny of these species, and also presents the results of his research in this area. The book contains many illustrations, diagrams, tables and maps that contribute to a better understanding of the material. It is an important source of information for herpetologists and anyone interested in amphibian biodiversity.