Staple-bound official NASA manual entitled "Final Apollo 10 Flight Plan, AS-505 / CSM-106 / LM-4," 249 pages, 8.25 x 10.75, dated April 17, 1969, prepared by the Flight Planning Branch, Crew Procedures Division at the Manned Spacecraft Center. The plan provides a minute-by-minute timeline of the mission, which was the first manned voyage to circle the moon and consists of five sections: General, Maneuver Update Forms, Detailed Timeline, Detailed Test Objectives, and Consumables Analysis. The flight plan contains numerous handwritten annotations throughout. Also includes a staple-bound manual entitled “Apollo 10, Final Flight Plan Mission Rules, Revision A,” dated April 23, 1969, with the preface reading: “This document contains Revision A to the Flight Mission Rules for Apollo 10 as of April 23, 1969. Revision A is a page change revision and the pages should be inserted in accordance with the revision instruction sheet which follows this page.” In fine condition, with tape-repaired tears to the detached front cover.