The Sikorsky Aircraft Centennial 1923 - 2023: A Tribute by the Igor I. Sikorsky Historical Archives, by Frank Carlucci and John Bulakowski. Stratford, CT: Igor I. Sikorsky Historical Archives, ©2023. Edition not stated. Probable first. 4to. Large trade paperback format. 203 numbered pages. Illustrated throughout with photographs. No signs of previous ownership. A bright, clean copy in as-new condition. Thanks for looking and happy landings!