Just a quick one today. This was one of my favorite books in the school library. It did as promised and answered some of my questions that I couldn't find an adult smart enough to answer.
Sonneborn, Ruth A. Illustrated by Polgreen, John. The Question and Answer Book of Space. New York: Random House. (66 p.) 29 cm.
Arranged in 5 categories with questions and answers about: space, rockets, astronauts, a trip to the Moon and space stations. The book has some very nice color paintings of rockets, astronauts, space stations, and a manned Moon landing. Part of the "Let's Find Out Books" series. See 1966, 1969 UK reprints. Also 1970 edition.