[AVIATION]. [YEAGER, Chuck (1923-2020), CROSSFIELD, Albert Scott (1921-2006), et al.] HALLION, Richard (b. 1948). Supersonic Flight. The Story of the Bell X-1 and Douglas D-558. The Macmillan Company, [1972]. 8vo. Illustrated. Publisher?s full brown cloth, spine lettered in gilt (minor rubbing to edges); publisher?s printed dust jacket (some rubbing, toning to jacket). FIRST EDITION, SIGNED BY SUPERSONIC TEST PILOTS CHUCK YEAGER, SCOTT CROSSFIELD, ?PETE? EVEREST (GENERAL FRANK KENDALL EVEREST JR.), AND INSCRIBED BY THE AUTHOR. Additionally inscribed to aviation author Bob Kovalchik by Hallion on the title-page. An excellent history of American supersonic flight, signed by some of the most important people involved in the effort.