Printed Apollo 10 Technical Information Summary, dated May 1, 1969 and measuring 8.5 x 11. Signed on the front cover in blue felt tip “Tom Stafford, Apollo X, Cdr.,” “John Young, Apollo X, CMP,” and “Gene Cernan, Apollo X.” The extremely detailed document provides a full technical explanation of the Apollo spacecraft’s systems. Light handling wear, scattered edge toning, and stapled along the left side with a name written at the top right corner, otherwise fine condition. Accompanied by a certificate of authenticity from Novaspace. Pre-certified Scott Cornish and RR Auction COA.