Underexploited Tropical Plants with Promising Economical Value By Smith, Elmer W. Books / Paperback Nature › Plants Publisher: National Academy of Sciences, January 1975 Price $17.22 Free Shipping Send to a friend Used - Good Good condition. 5th printing. (tropical plants, edible plants) A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. $17.22 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.