Also included are several never-before-published gems such as a vintage 1930s tale "The Crystal Castle," a collaboration with long-time friend Edmond Hamilton, and a story originally commissioned for Last Dangerous Visions, "Previews of Hell."
Sidebars with essays, correspondence, and articles are decorated with over 300 book and magazine covers and interior illustrations. A full-color 32-page section features an illustrated timeline of the authors career, and reprints a complete story arc from Jack Williamson and Lee Elias 1950s Sunday comic strip, Beyond Mars. Seventy-Five: The Diamond Anniversary of a Science Fiction Pioneer also features a foreword by award-winning author Connie Willis and an introduction by a fellow pioneer, Sir Arthur C. Clarke.