The Dragon Lensman, Lensman From Rigel and Z-Lensman are also available in hardcover (with full-color dust jackets), offered exclusively as part of a limited collectors' edition of 250 sets, packaged in a deluxe foil-stamped slipcase, with each enclosed book individually numbered and signed by the author on a special bound-in plate. These sets are priced at $150.00 each. Contact the publisher for information on available set numbers and ordering information.