Nuts & Bolts Vol.29: Raupenschlepper Ost RSO und Abarten Authors Volker Andorfer, Tony Greenland, Lutz Konetzny 176 pages A4, glue-bound, approx. 375 photos, of these 166 contemporary photos from manuals and from the front in b/w, a number of them previously unpublished; 188 colour photos of the surviving vehicles in public and private collections, 21 colour photos of the two models from Tony Greenland, English / German captions, 27 pages English / German text, several charts, 16 pages scale drawings of all versions and details in 1:35 scale from John Rue, 16 camouflage schemes from Carlos de Diego Vaquerizo, and tables of organization of units having the RSO (Kriegstärke-Nachweisungen KStN) in their inventory, first published December 15st , 2012