BACK TO THE STONE AGE

New York, NY, U.S.A.: Ace Books Book. Illus. by Roy Krenkel, Jr. And Frank Frazetta. Good Plus. Soft cover. No Edtion Given. An Ace Science Fiction Classic paperback #04631, no printing date given, price 60 cents. Condition is good plus, slight crease and a small wrinkle on spine, light crease on front and back hinges, light crease on middle of bottom half of back cover, small repaired tear on edge of front cover, corners bumped, light edge wear, no writing or stamps. Pages tight and clean with tanning, cover is bright and glossy, a nice looking book..**We have other titles by this author in stock and give discounts in shipping on additional books, please contact us for more information**...WRAPPED IN A PLASTIC BAG TO PROTECT CONDITION OF BOOK ........... Five hundred miles beneath the surface of the Earth lies a world of eternal day and endless horizons, in which Dinosaurs still roam and cavmen hunt and terrors forgotten in the outer world still survive. Young Wilhelm von Horst had been given up for lost. His comrades in the expedition had sailed to the surface without him, mourning the loss of their friend. But von Horst had not died. His only companion a barbarian girl, he battles his way to safety through terror inconceivable on the surace of the Earth....