This is a large library-quality textbook of 522 pages, 360 drawings, 150 tables, 1,266 equations, and 79 photos. The book photos and drawings use b & w high resolution grayscale imaging structure. The book is printed using a Hewlett-Packard 4300 dtn laserjet with an onboard 20 gig hard drive at 1200 dpi with Postscript printer language. The 8.5 x 11 inch book pages are printed in the duplex mode on high quality 28# color laserjet paper of 113 brightness. The book is printed "on demand" as needed to maintain inventory. The extra-heavy green simulated leather cover with gold-embossed lettering is custom manufactured by the Bookbindery of Houston, TX. See their work at this Link .With care the book will last hundreds of years. A book of this size and quality would retail for well over $150 in a college bookstore.