Amazed what my archive and my memory hides for me. An Elektor Junior book I scanned many years ago, misplaced and forgotten. Found in the Rockwell folders (I am working at the moment on Forth computers by Rockwell!), scans cleaned up and published on request of my German friend Norbert.
Elektor books – Retro Computing (hansotten.nl)ektuur-junior/elektor-junior-literature/elektor-books/