A-21; 32 pages; 5 .5 x 8 .5; Paperback. Henry Hopp is without a doubt the world's leading authority on earthworms. In this booklet, you'll find a wealth of information about earthworms and practical advice on taking advantage of earthworms to improve your compost and soil.
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8.5 x 5.5 x 0.25 inches.
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