From the publisher's website: This first volume of The Art of Heavy Gear is 220 pages long with 576 pieces of artwork and descriptions. Including Cover Art, Settings, Characters, Action Scenes, Gears, Striders, Vehicles, Aircraft, and Fauna some of which were never used in our printed books. The artwork has been saved at 150 dpi with the maximum quality setting used for compression, to ensure the highest quality product for our customers.