$I"...extremely informative and comprehensive...for the aircraft enthusiast or those intrigued by aviation history."$I--Wayne Wright, $IBorger
News-Herald$I, November 1998
$I"The seldom-seen, if not rare, drawings and photography are intriguing...-this book is of notable value and contributes significantly to the understanding of rotary wing
technology."$I--$IWings of Gold$I, Winter 1998.
$I"Helicopters Before Helicopters is difficult to put down, and bears reading and rereading-as this reviewer can testify!"$I--$IWW1 Aero$I
$I"...a new standard work for the serious rotary wing historian"$I--$IHelico Revue$I No. 42, May 1999.
$I"…a marvelous reference work on the early history of rotary-wing aviation in the United
States."$I--Phillip S. Meilinger, $ITechnology and Culture$I, Volume 41, October 2000.