This street atlas of London contains a large amount of detail, with land use clearly colour coded to aid use. It includes thousands of updates and has involved extensive and exhaustive research on the ground. It incorporates mapping at four different scales, ranging from route planning maps to large-scale central area maps. Features include: theatre, cinema, shopping and underground maps; a full index to street names and places of interest; and colour-coded roads, buildings and land use. The area of coverage extends from Welwyn Garden City in the north to Gatwick Airport in the south and from Windsor in the west to Gravesend in the east.