PPM - Our Worst Nightmare    by Gary  Naiman
Price: $4.99 USD. 77440 words. Published by Fideli Publishing on June 4, 2009. .
Karl Frankton is a pathologist with a CDC field team in Somalia. For two days, they have tried to isolate a virus that has wiped out a village on the Wabi Shebelle River. There are no clues, only 84 suffocated human beings. Karl Frankton is about to enter an ecological nightmare more deadly than anything imaginable.

Omega    by Gary  Naiman
Price: $4.99 USD. 45310 words. Published by Fideli Publishing on June 4, 2009. .
Omega, the exciting and frightening sequel to PPM by Gary Naiman, carries this ominous warning: "We're approaching an eco-disaster and time is running out!" Karl Frankton is thrust into a global war against terrorists who have resurrected the nightmare in our seas. With the human race facing extinction, Karl and Dr. Mandu Thala fight a battle that reaches from the White House to the Nile.

Native State    by Richard Taylor
Price: $0.99 USD. 22770 words. Published on August 11, 2010. .
Two hundred years after Earth's environmental collapse humankind survives in satellites. A handful of humans work on the planet’s surface destroying every vestige of the industrial age. But now someone, or something, is killing them. Two cops attempt to solve the murders, and a greater mystery, a conspiracy to exterminate Earth’s newest species, the one that may have taken Man’s place.

Over the Brink: Tales of Environmental Disaster    by Third Flatiron Publishing 
Price: $2.99 USD. 29510 words. Published on May 19, 2012. .
The science fiction anthology, "Over the Brink: Tales of Environmental Disaster" comprises a tasty baker's dozen short stories about the possible consequences of fooling Mother Nature. These tales are sometimes heart-breaking, sometimes way out or hilarious, but always mind-expanding.