Marklin has published several books on Z gauge, they invented the gauge, and their books help to explore the full potential of Z gauge including layout design and practical wiring. Greenberg’s Model Railroading with Marklin Z written by Riley O’Connor is a further explanation of what has been offered by the Marklin books, but it is also written in English. Numerous color illustrations cover layout design, wiring and accessories. A good introductory book for those new to ‘Z’, but not a replacement for the Marklin ‘Layout’ book written only in German it provides good illustrations that somewhat negate the need for English translation. Plus the Marklin layout book give excellent layout designs that can be modified, each includes a complete list of track that is needed for each layout. Having both the Greenberg book and Marklin layout book the ‘Z’ hobbyist will be provided with a good foundation for designing and building a layout.