How the nation's canals were saved following years of postwar neglect, becoming places of tranquillity and popular for boating holidays.
The people who operated the canal boats, carrying fuel and goods around the country.
The tales of the men who built the canals - the navigators, or navvies - focusing on their work on the Manchester Ship Canal.
The story of 'canal mania', the period of activity that helped develop Britain's modern financial economy, now centred in London.