Buckinghamshire, Bedfordshire and West Hertfordshire: No.24 by Paul Shannon
This work provides coverage of: Bedford and the Midland main line; Watford Junction and the West Coast Main Line to Wolverton; Hertfordshire branches around Luton and St Albans; The Metropolitan to Aylesbury; GCR and LNWR lines in North Buckinghamshire; and Great Western lines to Princes Risborough and Bicester.