Notes: © 1953 no other date or printing but has to be after May as the copyright pages noted the publication of the novel [under the title The Conditioned Captain] in Startling Stories] Cover art credited based on the artist's signature on the back cover, cropped on some copies The page opposite the title page claims that a hardcover edition of the book is available at the bookstores at $2.00. The back cover makes the same claim except that the price is given as $1.50. Printed in the US Page [149] is "About Fletcher Pratt" Page [150] has a short essay "Time for a Change: A Statement on Science Fiction" about the future of SF publishing as a more widely-acceptable field to the public and Ballantine's plans. The essay is uncredited.