Slayton’s Edwards Approach Charts booklet, used during the Shuttle Approach and Landing Tests at Edward’s Air Force Base in the late 1970s. Book measures 6.25 x 8 and is bound by its original three rings. Opening pages provide information about the base, with a fold-out map of the area, and a map of the Edwards complex. Remainder contains 21 pull-out color maps, each 8 x 10.25, with various printed flight-paths, maneuvers, and instructions printed on each map. Accompanied by a 2008 certificate of authenticity from Slayton’s wife Bobbie, stating the book had been in her possession since 1993. In fine condition. RR Auction COA.