THE MIGHTY MECHANICS GUIDE TO SPEED is the second title in the Mighty Mechanics series. They are back to look after all kinds of speedy machines - from high-flying fighter jets to monster racing trucks. Join them as they take you on an exhilarating tour of the fastest transport on wheels tracks water and in the air. Get ready to discover... what sort of car can break the sound barrier the fastest rollercoaster in the world which power-crazy boat holds the water speed record how the world's fastest flying bird compares for the speediest aircraft.