The Worm Farmer’s Handbook: Mid- to Large-Scale Vermicomposting for Farms, Businesses, Municipalities, Schools, and Institutions: Techniques and Systems for Successful Large-Scale Vermicomposting

Worm Farming: How to Start a Worm Farm: Learn About Vermiculture and Vermicomposting

Earthworms and Vermicomposting - 9789819989553

Worms Eat My Garbage, 35th Anniversary Edition: How to Set Up and Maintain a Worm Composting System: Compost Food Waste, Produce Fertilizer for Houseplants and Garden, and Educate Your Kids and Family

Worm Farm. Worm Farm Guide. Worm farm costs, care, housing, feeding and how to start a worm farm business.