Al Worden's staple-bound official NASA manual for Apollo 15 entitled "AS-510/CSM-112/LM-10, Final Change B, Flight Plan," 8 x 10.5, dated July 12, 1971, prepared by the Flight Planning Branch, Crew Procedures Division at Houston's Manned Spacecraft Center. The manual contains about 90 pages of updates to the mission timeline, complete with a few interesting diagrams. In fine condition.
From the collection of Apollo 15 CMP Al Worden, and accompanied by a letter of provenance from his daughter Alison (Worden) Penczak.
