This collection of workshop manuals covers Porsche 924, 928, and 944 models. The manuals were printed in English in Germany and are housed in ring binders. Service training and technical information materials are also included. The collection is offered at no reserve in Oakland, California.

All of the manuals contain multiple volumes organized by vehicle system. There are two manuals for the 924 and one for the 924 Turbo, The 928 manual consists of nine volumes, including two devoted solely to the engine, while the 944 manual consists of seven volumes, plus an eighth for the 944 Turbo.