Want to learn more about how this was done? Check back next month for the explanation.

ANSWER TO MYSTERY TECHNIQUE #21: I coated the paper with methyl cellulose. After it dried, I rewet the paper and applied watercolor paint; because the methyl cellulose slowed the flow of the paint, it created this visual texture.

Want to learn more about how this was done? Check back next month for the explanation.

ANSWER TO MYSTERY TECHNIQUE #20: I applied diluted white acrylic in linear shapes to part of the paper. After the first layer dried, I continued to build up the surface with thin layers of Hydrus Watercolors mixed with Granulation Medium.

Want to learn more about how this was done? Check back next month for the explanation.

ANSWER TO MYSTERY TECHNIQUE #19: This is a closeup of the 2nd panel from Backyard Food Chain. I added Granulation Medium to the paint to create the texture; after it dried, I cut away the center:

I then put clear contact paper on some of the leaves and veins before adding another layer of paint.

Next I added another layer to the foreground leaves and painted the caterpillar, using stippling with a pen to add some of the detail.