Spacecraft at work (1965) is kind of a random book. It has some interesting illustrations but it organized with subjects scattered randomly throughout the book. It might be one of those project created purely because "space sells" so they did not put a lot of effort into it.
Elting, Mary. Illustrated by Koering, Ursula. Spacecraft at Work. Irvington-on-Hudson, NY: Harvey House. (96 p.) 24 cm.
The illustrations are very beautiful and simple. The text and illustrations cover all aspects of space flight including space suits, Moon landings, recent space missions, and space stations. Also 1966 edition.