Growing Wild Mushrooms By Harris, Bob Books / Paperback Crafts & Hobbies › Gardening ISBN: 0914728172 / Publisher: Bookpeople, July 1976 Price $27.83 Free Shipping Send to a friend Used - Good Good condition. Revised edition. (Psilocybin mushrooms, mushroom cultivation) $27.83 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.