The History of the Bakerloo Line
Very good history of the cross-London Bakerloo Line which at its maximum ran from the Elephant & Castle to Rickmansworth.
Highly readable, especially the tales of early financial shenanigans, but in the general approach, combining the railway and stock in some detail, together with the stations, styles, design and so on.
160 well produced pages, with over 120 photos, many in colour, plus maps, diagrams and drawings. Softcover.