8vo. 9 illustrations by Dan Beard, one diagram. (Slight marginal toning.) Publisher's navy cloth, upper cover and spine decorated in silver and gilt-lettered, back cover with planetary design stamped in silver (hinges starting, a touch of wear to extremities); navy calf folding case.

FIRST EDITION of the science fiction novel about living on Saturn and Jupiter in the year 2000, written by a member of the prominent New York Astor family, John Jacob Astor who died in the sinking of the Titanic.