The first volume in a series designed to collect all of the prose work of this neglected pioneer of science fiction and fantasy. The stories in this volume are culled from the pages of classic pulp magazines such as Weird Tales and Amazing Stories. 1. The Monster-God of Mamurth 2. Across Space 3. The Metal Giants 4. The Atomic Conquerors 5. Evolution Island 6. The Moon Menace 7. The Time-Raider 8. The Comet Doom 9. The Dimension Terror 10. The Polar Doom 11. The Sea Horror 12. Locked Worlds 13. The Abysmal Invaders In addition to these stories, this volume features a gallery of the original interior illustrations, letters from the magazines' reader's columns, and correspondence between Hamilton and the pulp editors of the day.