The book "Caffeine Toxicity: An Experimental Study on Various Animal Species" by Rieger JB (John Benjamin) and Salant William is a unique scientific study devoted to the study of the negative effects of caffeine on the organisms of various animal species. The authors conducted a thorough analysis of the effects of caffeine on the health and life cycle of the best part of the animal world, which is very important in the context of current trends in caffeine consumption. The book describes in detail the methodology of the experiments, their results and conclusions, which help to better understand the possible consequences of caffeine consumption for animal organisms. The authors also examine various aspects of caffeine toxicity and try to find out how this popular stimulant affects the physiology and behavior of animals. "Caffeine Toxicity: An Experimental Study in Various Animal Species" is an essential book for scientists interested in the effects of caffeine on health and the ecosystem as a whole. This work has implications both for scientific research in the field of biology and for understanding the potential risks associated with caffeine consumption, not only in humans, but also in animals.