GUIDANCE AND NAVIGATION DICTIONARY.
"Apollo 15 LM-10, Change A, Flight Crew G&N Dictionary." Houston, TX: NASA/MSC, July 12, 1971. 8 x 6 inches. Card stock covers, tabbed, punched and bound with three metal rings.
The upper cover inscribed by DAVE SCOTT with "Apollo 15 CDR." Several ink annotations and amendments, made as late as July 20, 1971.