This text investigates the historical development and philosophical implications of idealism from the early modern period through the twentieth century. Authors Paul Guyer and Rolf-Peter Horstmann provide a structured examination of how idealist thought evolved, tracing its roots in rationalism and British empiricism to its culmination in German Idealism and subsequent reactions. The work serves as a comprehensive overview of the movement's trajectory and its eventual decline or transformation in modern discourse.

Experts recognize this work as a reliable survey for students and scholars seeking a clear chronological framework of idealist thought. Readers frequently note the academic density of the prose, which is well-suited for those already familiar with foundational philosophical terminology.