This is: Roll Back the Sky, by Ward Taylor. Henry Holt and Company - New York: 1956.
This hard cover book is in very good condition. The page edges are smoothly cut and are slightly yellowing. The spine is tight. The book is a blue color. The paper jacket is in good condition showing slight shelf wear and a couple of bumped edges, some small tears, a few places with yellowed tape, and slight yellowing. This book has 381 pages!