"Astounding Stories, May, 1931" by Various is a collection of science fiction stories published in early 20th century (specifically the early 1930s). The magazine features a series of imaginative and thrilling narratives, showcasing brave characters who embark on extraordinary adventures through space, encountering mysterious celestial phenomena and dangerous creatures. The opening of "Astounding Stories" introduces readers to a vivid future where airships dominate the skies and characters like Walter Harkness are involved in groundbreaking transportation and explorations. In this first chapter, Harkness, a young entrepreneur, faces a catastrophic tsunami and financial ruin, yet learns of a mysterious new satellite dubbed the "Dark Moon" that has joined the Earth’s orbit. This new development forces him to confront both personal and external threats as he seeks to explore the Dark Moon with his pilot Chet Bullard, setting the stage for a gripping adventure amidst unforeseen challenges. The narrative combines elements of suspense, exploration, and the potential for discovery, drawing readers into its fantastical world. (This is an automatically generated summary.)