Signed book: Fighting The Flying Circus. NY: Stokes, 1919. Hardcover, 5.25 x 8, 371 pages. Signed and inscribed in fountain pen on the reverse of the half title page 'To Wm. Hoff, With my ever [sic] best wish, Capt. E. Rickenbacker.' In fine condition, with some wear to spine and binding, first several pages partially detached and some light cover wear. RRAuction COA.