This volume investigates whether science functions as a rational enterprise and if it provides objective knowledge of the unobservable world. Wesley C. Salmon, a prominent philosopher of science, compiles a series of articles to argue that objective knowledge remains attainable through scientific inquiry. The text serves as a continuation of his previous work, synthesizing both previously published and new material to address foundational questions regarding scientific realism and methodology.

Experts recognize this volume as a significant contribution to the philosophy of science, particularly for those familiar with Salmon's earlier work. Readers frequently note the academic density of the prose, which is tailored for professional philosophers and advanced undergraduates in the field.