The book "Dissertation on the Nature and Propagation of Fire" was written by the outstanding French philosopher and scientist Gabrielle Emilie Le Tonellier de Breteuil, Marquise Du Châtelet. In her work, the author examines the nature of fire, reveals its properties and the mechanism of its spread. The exploration is based on a multi-experimental approach, the conclusions of which have become an important contribution to the development of the science of physics. Gabrielle Emilie Le Tonellier de Breteuil's book is a weighty scholarly document and reflects the talent and intelligence of its highly educated author.