The silent healer: A modern study of aloe vera By Coats, Bill C Books / Hardcover Nature › Plants Publisher: Coats, January 1979 Price $45.40 Free Shipping Send to a friend Collectible - Good Signed With Dust Jacket Signed Copy Collectible - Good. Good dust jacket. Inscribed by author on front endpage. In protective mylar cover. (aloe vera, therapeutic use) $45.40 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.