Vermiculture is the practice of raising worms to use in transforming organic food waste into nutrient-rich matter for gardening. If you want to learn more, Amanda McDowell of Resource Conservation Partners in Ventura recommends these sources:
• Worms Eat My Garbage: How to Set Up and Maintain a Worm Composting System by Mary Appelhof (Flower Press; second edition 2003)
Resource Conservation Partners also sells worms. For more info, visit: ResourceConservationPartners.org.