Space Pilots by Willy Ley 1957 Hardcover.
Name written in pencil on inside front flyleaf.
Introduction by the author states,
"To the Reader: This book, Space Pilots, is the second in a series on Adventures in Space. The series is the story of the rocket age in which Man will pierce the atmosphere and conquer the open space beyond it. This age is going to come much sooner than most people realize, and some of you who read this will take an active part in it. Here you will learn about the people who will fly the space ships. Some of you may be among those who will be trained for this task. Signed, WIlly Ley"