The next 20 years he spent illustrating and calligraphing the story using graphite on parchment while intending to illustrate them in [[color]] awaiting the right time when computer technology would allow coloring the black and white images. | The next 20 years he spent illustrating and calligraphing the story using graphite on parchment while intending to illustrate them in [[color]] awaiting the right time when computer technology would allow coloring the black and white images. |