by Chris Barton ; illustrated by Troy Cummings. by Chris Barton ; illustrations by Troy Cummings. written and illustrated by Troy Cummings. written and illustrated by Troy Cummings illustrated by Troy Cummings. by Chris Colfer ; illustrated by Brandon Dorman. by Courtney Carbone ; illustrated by Tom Brannon. illustrated by Troy Cummings by Chris Grabenstein ; illustrated by Kelly Kennedy. by Charlie Hart ; illustrated by Jill Howarth.