This street atlas of Luton includes coverage of Houghton Regis, Barton-le-Clay, Caddington, Eaton Bray, Edlesborough, Great Offley, Harlington, Toddington and Totternhoe. The grid squares are based on the National Grid, the value of which are shown in the margin. The scale is 31.3 inches to 1 mile (1:19,000).