On Extended Wings

New York: Atheneum, 1985. First edition and first printing. Hardcover. Ackerman's fifth book, a work of non-fiction. Dust jacket blurbs by Carl Sagan, Maxine Kumin and William Gass. A near fine copy in paper covered boards with a cloth spine in a very good dust jacket with a tear to the top of the front panel and some tape repairs to the verso.