In this highly illustrated book, Peter deals with the following models: the 'Colonial'; Model E (15/30); 18/30; 12/20 and M; Field Marshall Mark 1 and Series 2, 3 and 3A; MP4 and MP6; Fowler VF and VFA; the Track Marshall; and, Gainsborough loading shovel. He gives a short history of the development of each model and wherever possible offers a buyer's guide. At the end of each chapter Peter gives a specification sheet. Useful appendices cover preventative maintenance, trouble shooting and, for restorers, thoughts on authenticity.