Compost is an invaluable ingredient for garden soil. It enriches the ground with minerals and other nutrients and can provide ideal mulch for growing plants. The Gardener's Guide to Making Compost is a primer that both gardening beginners and veterans can use to help them make better compost. The book covers most popular types of compost systems, making compost with worm, mulching and green manures. It is an excellent primer on making and using compost.