A huge burrowing machine tunnels out of control at ferocious speed, cutting clean through to the center of the earth, to the twilight world of pellucidar. Once there, Dr. Perry…

During World War I, a German U-boat sinks a British ship and takes the survivors on board. After it takes a wrong turn, the submarine takes them to the unknown…

England is torn in civil strife as the Royalists battle the Parliamentary Party for control. This conflict distracts people from rational thought and allows unscrupulous men to gain local power…