Race doesn't exist, except when they want it to or when they want a race to blame for everything. rolls eyes
Here is a download link: https://archive.org/details/Silent_Death_Revised_Expanded_2nd_Edition_Uncle_Fester_Paladin_Press
Interesting fact: this book was one of the lab manuals used by the Aum Shinrikyo cult to make sarin nerve gas prior to their attack on the Tokyo subway in 1995.