414 pages; Fine/Near Fine. Portions of this work have previously appeared in Analog magazines in different form - in 1973. Boards are straight, tips are pointed, spine is square and pages are clean. DJ has tiny bit of shelf rub at edges. Now in protective sleeve. A Bright, Beautiful, Tight copy. Mankind has taken its first small step outward from Earth, leaving its footprints on the Moon. Great reading! The correct ISBN for this book is 0803725019 - and is also being used for a book titled Dancing in the Wings publishedby Dial Press.