See inside some of the world's most enormous vehicles in this amazing lift-the-flap book by the award-winning, bestselling illustrator Stephen Biesty. Discover eight monster machines: from the double-decker Airbus to the largest submarine on Earth, and from the planet's most massive dumper truck to the biggest helicopter ever made. Little engineers will love finding out about motors, periscopes, rocket engines and giant propellers in this fact-packed guide. Buckle up for the ride!