This book is one of the Pen & Sword Locomotive Portfolio series and covers the rebuilding by Richard Maunsell of the South Eastern & Chatham Railway 'D' and 'E' 4-4-0s as 'D1' and 'E1' locomotives with higher pressure boilers and long-travel valve events following the Churchward principles. The book also covers the SE&CR 'L' class designed by Maunsell's predecessor, Harry Wainwright, with modifications made by Maunsell just before their delivery in...