This book investigates how users can maximize the technical capabilities and programming potential of the Oric home computer. The author, Bryan Skinner, provides a structured guide for owners of the Oric-1 and Atmos systems. By detailing hardware architecture and software commands, the text serves as a manual for users seeking to move beyond basic operations into advanced machine code and system optimization.

Collectors and retro computing enthusiasts frequently cite this work as a primary reference for understanding the specific quirks of the Oric hardware ecosystem. The text is noted for its technical density and remains a standard resource for those restoring or programming on original Oric machines.