120 pages A4, glue-bound, approx. 224 photos, of these 109 historical shots of the selfpropelled vehicle with all known variants and the towed PaK gun in b/w, many of them unpublished; 98 colour photos of the existing example of the Sd.Kfz. 101 from the only one surviving vehicle at the Wehrtechnische Studiensammlung Koblenz and two surviving towed guns, 17 colour photos of both versions from Tony Greenland, English / German captions, 22 pages English / German text, 8 pages of scale drawings from all versions and towed gun in 1:35 scale from John Rue, 24 camouflage schemes and graphics of tactical markings from Laurent Lecocq, and table of organization of units using the Pz.Jäger I (Kriegstärke-Nachweisungen KStN).