
The word “permanent” appears on many different art products, but it’s a confusing term. On many graphic art products, such as inks or felt-tipped markers, it really means “waterproof,” rather than “lightfast.” Many calligraphy or fountain pen inks, such as the brown inks in the drawing above, are not waterproof, but they’re reasonably lightfast, considering that most handwriting isn’t usually subjected to light for long periods.
The sketches are for sky galleys, part of the planning for Waterfall City, from Dinotopia: A Land Apart from Time.