Indy cars are all about speed. From the high-powered engine to the wings and pointed nose, each part of an Indy car helps it race faster. Get the inside scoop on these rip-roaring racing machines. The roar of the engine! The squeal of the tires! Blazers Horsepower is a high-powered thrill ride. From sports cars to dirt bikes and lowriders to stock cars, these books are packed with full-throttle action! Book jacket.