"Calibrating the Cosmos" is a scholarly book that explores the fundamentals of cosmology, presenting complex scientific concepts in an accessible, non-mathematical language. Written by Professor Frank Levin, the book is aimed at both scientifically curious readers and those from the humanities. It provides a comprehensive explanation of the measurements and interpretations of the data that have shaped our current understanding of the origin, evolution, and properties of the expanding universe. The first four chapters offer background knowledge, while the subsequent chapters discuss the current cosmological perspective and the methods used to achieve it. Additionally, unresolved issues and potential solutions are addressed, making the book a valuable resource for anyone interested in the mysteries of the universe.