Illustrating a Picture Book: Part 5 - Patching Mistakes

Sometimes I make mistakes when I paint. I try to minimize this by doing studies, but it does happen. Sometimes it means I have to repaint the whole picture, but other times it's something I can fix with a patch.
Colorstudy © Jen BettonIn my first picture book,  TWILIGHT CHANT , I needed to change the cat on one of the spreads. I'd originally planned to do a black cat, thinking that the dark value would show up well in the dark. But when I painted it, I made it darker than I'd planned. It ju...