11. Burroughs, Edgar Rice.

The Warlord of Mars. Frontispiece by J. Allen St.John.

First Edition. Chicago, A.C. McClurg & Co., 1919. 12.5 cm x 19 cm. 296 pages. Original hardcover in protective Mylar. Excellent, Near Fine condition with minor signs of external wear.

12. Burroughs, Edgar Rice.

Escape On Venus. Wanderers on a world of weird people and uncanny kingdoms.

New York, Ace Books Inc., [c.1969]. 10,5 cm x 16,5 cm. 254 pages. Original illustrated Softcover. Very good condition with only minor signs of external wear. All page edges orange. Cover art and title page illustration by Roy Krenkel Jr. [Venus Series]