Paratime Police: Complete Sci-Fi Series

H. Beam Piper''s ''Paratime Police: Complete Sci-Fi Series'' is a collection of adventurous and thought-provoking science fiction stories that explore the concept of parallel worlds and alternate timelines. Piper''s writing style is captivating and filled with detailed world-building, making the various paratime settings come to life in vivid detail. The stories within this series also touch on th...