The book "Quantitative and Ecological Aspects of Plant Breeding" offers a comprehensive analysis of the challenges and opportunities in plant breeding within the context of global food supply. Given the alarming statistics on malnutrition and the loss of arable land due to erosion and unsustainable practices, the role of plant breeders in the 21st century is emphasized. The authors, J. Hill, Heiko C. Becker, and P. M. Tigerstedt, discuss the necessity of integrating ecological aspects into plant breeding to ensure sustainable food production. The book is aimed at professionals and students interested in the quantitative and ecological dimensions of plant breeding. It provides valuable insights into the methods and strategies required to meet the growing food demand of an increasing global population while simultaneously protecting the environment.