A study of Celtic design and ornament for calligraphers. It is divided into two parts. Firstly, it explains how the pages of the "Book of Kells", the "Book of Durrow" and the other great Gospel manuscripts of the 7th to 9th centuries were set out by the ancient scribes. The author has recreated the precise geometric methods they used, explaining how these strategies can be applied. Secondly, it shows how to draw step patterns, key patterns, interlaces and spirals to fit into the shapes created in the manuscripts. By following the step-by-step demonstrations and diagrams, readers should be able to make their own designs.