
Part of Series
Land and Overland—twin worlds a few thousand miles apart. On Land, humanity faces a threat to its very survival—an airborne species, the ptertha, has declared war on humankind and is actively hunting for victims. The only hope lies in migration. Through space to Overland. By balloon. The Ragged Astronauts—first volume in an epic adventure filled with memorable characters, intense action, engaging notions, exotic locales.
Author

Bob Shaw was born in Northern Ireland. After working in structural engineering, industrial public relations, and journalism he became a full time science fiction writer in 1975. Shaw was noted for his originality and wit. He was two-time recipient (in 1979 and 1980) of the Hugo Award for Best Fan Writer. His short story Light of Other Days was a Hugo Award nominee in 1967, as was his novel The Ragged Astronauts in 1987.