"Speciation in Brazilian Bristle Rats" is a fascinating scientific book by the scientist Joao Mugen, dedicated to the study of the processes of formation of new species in Brazilian bristle rats. The author studies the biological mechanisms underlying the evolution of these animals, revealing complex connections between the gene pool and the environment. The book contains the results of in-depth research conducted in natural conditions, which help to better understand the processes of speciation in nature. Only through such research can we develop our knowledge of biodiversity and the evolution of species on our planet.