1This A3 format atlas provides giant scale mapping and type throughout. Each page has been titled with its geographical location so you can turn to the page you need more easily. Wide minor roads, National Trust, English and World Heritage sites, crematorium locations and other hard-to-find places are indicated on the mapping. There are 72 city, town and port plans including a central district map of London and a full-color admin map showing all the latest unitary authority areas. Plus, scenic routes and tourist sites with satnav friendly post codes. 2.5 miles to 1 inch 1:160,000 - 1.6km to 1cm.