Notes: • "First Jove/HBJ edition published May 1978" • Printing not stated, no number line • The artist is not credited, no visible signature • Pyramid Books was purchased by Harcourt Brace Jovanovich in early 1978 and the paperback line became "Jove", so there was no separate Pyramid edition of this or subsequent volumes in the series. • "E.E. "Doc" Smith with Stephen Golden" on title page, front cover and spine. • A4005 on the cover, full ISBN on spine • Printed in Canada