Spanning utopian speculation, planetary romance, lost-world adventure, cosmic horror, satire, and dystopian prophecy, this capacious volume maps the formative terrain of science fiction. Its more than 140 selections move from imagined voyages and subterranean civilizations to futures of mechanization, social control, ecological peril, and extraterrestrial encounter. Alongside emblematic tales of interplanetary exploration and catastrophic transformation, the set preserves less familiar experiments in speculative geography, evolutionary fantasy, and scientific romance, revealing how heterogeneous the genre has always been. The contributors constitute an extraordinary transatlantic genealogy of speculative writing, joining nineteenth-century innovators with early twentieth-century popular and literary experimenters. Their work emerges from the pressures of imperial expansion, industrial modernity, evolutionary theory, mass media, and debates over gender, class, religion, and political reform. Fictional futures and remote worlds become laboratories for social criticism as well as adventure, while Gothic, realist, comic, and romance traditions continually reshape the possibilities of scientific imagination. Read collectively, these voices chart science fiction's movement from philosophical conjecture toward a distinct modern genre. Ideal for students, scholars, and curious general readers, this boxed set offers an unusually broad archive of the genre's prehistory and classic development. It invites comparison across styles, eras, and national traditions, rewarding readers with both foundational narratives and surprising rediscoveries. The volume's greatest value lies in the dialogue it creates between competing visions of progress, danger, and humanity's place in the cosmos.