1:20,000, 3.17 inches to 1 mile. 6.4 inches to 1 mile for central area (1:10,000) This handy little atlas features the high quality Bartholomew digital database mapping. A huge amount of detail is contained within the mapping without compromising the clarity. Central London is mapped at a larger scale.MAIN FEATURES Extremely clear, attractive, full colour mapping Enlarged central area Full index to place and street names Theatres and cinemas map, plus shopping mapINCLUDES Colour coded primary routes Street markets and pedestrian streets Borough boundaries plus postal district boundaries and codes Colour coded public buildingsAREA OF COVERAGE Extends from Epping Forest in the north to Chessington in the south and from Hillingdon in the west to Bexley in the east.WHO THE PRODUCT IS AIMED AT This atlas, with its huge amount of detail and the clarity of the mapping is an essential purchase for all residents and businesses in and around London.OTHER PRODUCTS IN THE SERIES Collins publish a wide range of London mapping, including the prestigious Greater London Street Atlas.