The book "The Nature of Biological Systems as Revealed by Thermal Methods" offers a comprehensive introduction to the application of thermal methods in biology. It was written with the aim of providing access to these innovative techniques for both experienced scientists and those less familiar with physics and mathematics. The editors have compiled information derived from years of practical experience to highlight the beauty and potential of these methods. The book serves as a guide for experiments and demonstrates the valuable insights that can be gained from the application of thermal analyses. It is aimed at biologists and medical professionals who wish to develop a deeper understanding of the biological issues that can be illuminated by these methods.