This Schiffer title, Krupp At War, highlights Krupp trucks used by the Wehrmacht during WWII. For those unfamiliar with Schiffer, they produce short, pictorials roughly the same size as an Osprey New Vanguard with more period photos and less text.
A fairly good selection of different Krupp Vehicles in WW2 mfg by Krupp.A m,ust have for WW2 mopdelers of soft skin vehicles.