The opening of Montagu Mole’s Highways had made life a lot easier for moles to travel long distances… Now Digger Mole takes his family to the National Motor Museum at Beaulieu where they meet up with Montagu Mole...Dapper Mole is astonished to see a Double Decker bus, and this starts Digger Mole wondering if he can make a bus to carry moles... Read on the find out what happens next.