Yes, a number of the artists mentioned also do superb work outside the genre. The Dillon’s, as you say, have won awards for their children’s book illustrations, James Warhola is also well known for his work in children’s books, DiFate has had a number of non-genre exhibitions throughout the world, most of Alicia Austin’s current work in heavily influenced by American Indian folk art. In addition, all of these artists also have had books published about them. Also collectible.