The Shaman's Apprentice: Renowned ethnobotanist Dr. Mark Plotkin first traveled to the Amazon twenty years ago seeking a cure for diabetes. There he found extraordinary biological riches and a mysterious world of shape-shifting shamans who healed with sophisticated plant medicines. Plotkin was to learn that these indigenous people have an astonishing ability to manage their fragile rainforest environment but they are disappearing faster than the forests themselves. Could he save their world from extinction?