This book looks at several troop categories based on primary function and analyzes the ratio between these categories to develop a general historical ratio.

With this edition, Leslie J. Reagan provides a new preface that addresses the dangerous and ongoing threats to abortion access across the country, and the precarity of our current moment.

This book tells how the Eagle squadrons were formed and summarizes the history of the units and evaluates their deeds, motivations, and contributions.

The twelfth edition focuses on the major changes that have been made in information technology over the past two years, and includes new opening, closing, and Interactive Session cases.

The question became "Should women fly?" Deborah G. Douglas tells the story of this ongoing debate and its impact on American history.

Drawing on exclusive access to Nilsson's papers, Alyn Shipton's biography offers readers an intimate portrait of a man who has seemed both famous and unknowable--until now.