“Well researched and well illustrated, Open Skies contains copious references at the end of each chapter for those wanting to learn more. It is also an open- access book … . Open Skies places the NRAO’s achievements in both a domestic and an international context. For those wanting to know about the development of post– World War II radio astronomy— and not just about the NRAO— Open Skies is essential reading.” (Wayne Orchiston, Physics Today, Vol. 75 (7), July, 2022)“A beautifully vivid narrative bringing readers, general and professional, closer to the action, the pioneers, and their discoveries. Many photographs not seen before in the public domain add interest. Notes and bibliographies at the end of each chapter will effortlessly guide future scholars. A handy timeline of NRAO history features in an appendix. ... It is a landmark publication in the history of modern astronomy, a true masterpiece exhibiting the highest standards of scholarship." (Simon Mitton, TheObservatory, Issue 141, June, 2021)