Lost Sci-Fi Books 11 thru 15
Unseen Worlds and Unknown Dangers: Retro Sci-Fi at Its Strangest

Lost Sci-Fi Books 11 thru 15 launches readers into five thrilling adventures where alien worlds, deep space, and impossible choices await around every corner. Filled with first contact, interstellar exploration, dangerous creatures, and cosmic suspense, this collection captures the boundless imagination that made the Golden Age of science fiction unforgettable.John Massie Davis opens the volume with Leave Earthmen or Die!, a gripping tale in which a mysterious warning echoes through the minds of three explorers, forcing them to question everything they know about friend and foe. Malcolm B. Morehart Jr. follows with The Fugitives, where one wrong step carries an ordinary man into another world—only to discover that he’s become the outsider everyone fears.The adventure expands beyond the galaxy in Stanley Mullen’s The Voyage of Vanishing Men, an ambitious expedition into the unknown where every new discovery raises even greater mysteries. Mack Reynolds delivers fast-paced action in A Zloor For Your Trouble, sending one determined hunter after a legendary Martian creature whose capture promises fortune—but at a cost no one expects. The collection concludes with Charles E. Fritch’s Danger in the Void, a suspenseful space drama where personal conflicts become even more dangerous when survival depends on trust.Together these five timeless stories celebrate everything that defines classic speculative fiction—alien civilizations, daring exploration, unforgettable characters, strange new worlds, and ideas that still inspire wonder decades after they were first published. Whether you’re a lifelong fan of vintage sci-fi or discovering these remarkable authors for the first time, Lost Sci-Fi Books 11 thru 15 delivers five unforgettable adventures that prove the universe is always larger, stranger, and more exciting than we imagine.