Principles of Genetics is an introductory text on the discipline of genetics. In its eighth edition now, the book gives extensive coverage to the founding principles of genetics, along with the latest developments in genetics research. Some of the modern concepts highlighted in the book are gene cloning and gene products. Special attention is given to application of genetics in fields of agriculture and medicine. The book discusses issues like Mendelian Genetics, Cell Mechanics, Gene Expression, Mutation, Genetic Fine Structure, Quantitative Genetics, Genetics of Behavior etc. Suitable illustrations are given at each point to assist the learning process. E.J. Gardner is one of the foremost figures in the field of genetics. He is best known for genetics research on Familial Colorectal Polyposis, more commonly known as Gardner’s Syndrome, an incurable disease. He has authored many ground-breaking books like Genetics Laboratory Investigations, Principles of Genetics, and Human Heredity. M.J. Simmons is the Professor Emeritus of the Department of Genetics, University of Minnesota. His research focused on transposable genetic elements. D.P. Snustad is the Professor Emeritus of the Department of Plant Biology, University of Minnesota. He has done extensive research on bacteriophage T4 morphogenesis and the interaction between T4 and its host Escherichia Coli.