People in 110 countries have contacted Rhonda Sherman about vermicomposting during the past 26 years she’s spent working at North Carolina State University. Her new book, The Worm Farmer’s Handbook, was just published by Chelsea Green Publishing. She gives about 40 presentations annually, primarily about vermicomposting and composting on small and large scales. Sherman holds an annual vermicomposting conference that draws participants from around the world.