The "Above and Beyond The Encyclopedia of Aviation and Space Sciences Complete Set 14" is a vintage nonfiction book series published by New Horizon Press in 1968. Written in English, this illustrated set is intended for adult audiences and covers topics in aviation and space exploration. With a focus on aviation and space sciences, this encyclopedia set provides comprehensive information on a variety of subjects within the genre, making it a valuable resource for those interested in the field. overall, in pretty good shape no writing in the books no smoke. Very interesting set