Signed book: Mach Busters: X-1 Test Pilots. Lebanon: X-Pilots Books, 1997. Softcover, 6.75 x 9.75, 64 pages. Signed on the title page in black felt tip by Bell Chief Pilot Slick Goodlin, Chuck Yeager, and test pilots Gus Lundquist, Fred Ascani, Pete Everest, Stan Holtoner, Robert J. Harer, Dick Johnson, and Kit Murray. Scattered creases to cover and signed page, otherwise fine condition. RRAuction COA.