Product Details

Lot of Ace Double science fiction paperbacks published in the 1954–1959. Good used condition. 1. Across Time by David Grinnell (Catalog #D-286, published in 1958). The reverse side features Invaders from Earth by Robert Silverberg. 2.Siege of the Unseen by A.E. van Vogt (Catalog #D-391, published in 1959). The flip side features The World Swappers by John Brunner.Bottom 3. Sentinels of Space by Eric Frank Russell (Catalog #D-44, published in 1954). The reverse side contains a short story collection titled The Ultimate Invader. 4. Overlords from Space by Joseph E. Kelleam (Catalog #D-173, published in 1956). The flip side features The Man Who Mastered Time by Ray Cummings.