- Through pole?s openings, through cave systems or with a mole machine, since ancient times we?ve been fantasizing with discovering what lies many miles under our feet. - This anthology focuses on hollow earth and subterranean fiction published between 1910?s and 1950?s where many fascinating stories are easy to miss among so much mass-produced literature in the American pulp era magazines. In them you?ll find all sort of speculations of hollow and cavern worlds, in the fast and entertaining style of the pulps. Illustrated. On this second Volume: - A Subterranean Adventure by George Paul Bauer: They tried to bore a tunnel through the earth . . . but in that underground cavern they fell into the hands of the Inner Ones . . . - The Eye of Balamok by Victor Rousseau: Over the rim of hell he went, wanderlust-driven into a land more strange than his mad dreams . . . - Death Dives Deep by Paul Ernst: Monsters of stone, buried a million years. - The Incredible Theory of Dr. Penwing by Richard O. Lewis: Dr. Penwing certainly didn?t anticipate the danger that would face him when he penetrated the Earth?s crust to an outer universe. Sequel to ?The Strange Voyage of Dr. Penwing.