Alternative 3 By Leslie Watkins and David Ambrose 722111266 | eBay
Alternative 3: Because Life on Earth is Doomed by Leslie Watkins | Goodreads
Alternative 3 - Wikipedia
Alternative 3 (1979 edition) | Open Library
ALTERNATIVE 3: The 1978 Cult Sci-Fi Classic Republished with New Material - Kindle edition by Watkins, Leslie. Literature & Fiction Kindle eBooks @ Amazon.com.