The Ultimate Vehicle is a comprehensive guide to vehicles in the HERO System. It provides advanced and expanded rules for gamers who want to build anything from a chariot, to a sleek sportscar, to an airplane, to a star cruiser, to a mech! Whether you need to know how sailing ships work, how to make five small mecha that combine into one gigantic super-mech, or how to run exciting car chase scenes, The Ultimate Vehicle has just what you need.