Under Fire is the official autobiography of Oliver North and is available in both hardcover and paperback editions. Although the former is of a considerably better quality and contains more photographs. the softcover is naturally less expensive and contains an extra chapter. From the first page. https://www.bekindtopets.com/save-now-Aqua-Pure-3MFF101-Full-Flow-Drinking-Water-System-Replacement-Cartridge-flash-choice/