A former Olympic decathlete turned CIA agent must help an ethnobotanist to bring a life-changing medicine back from the Amazon. Racing across two continents, and calling on ancient arts and advanced tech to survive, he’ll have to defy the government agency that gave him a second chance to do it. The Life Engine is a fast-paced ecological action adventure through a thrilling international Da Vinci Code-like puzzle by way of the rainforest. $2.99 on Kindle.