New, and the only detailed colour atlas of that gives comprehensive coverage of Ceredigion and an area of Gwynedd south of a line from Porthmadog to Bala (but not including the Lleyn peninsula). Names and index are in Welsh as well as English. The mapping is based on Ordnance Survey data and gives the user complete coverage of all urban and rural areas. The main mapping is at a scale of 2 2/3 inches to 1 mile, with less populated areas mapped at 1 1/3 inches to 1 mile. Postcode boundaries are shown throughout.