In a quirky tale of dueling artists, Susanna Gretz humorously addresses the give-and-take of friendship - and the creative power of self-expression. "Now I'm going to draw circles," says Riley. "Those are bugs," says Rose. "No," says Riley. "They're circles." "They're BUGS," says Rose, "with legs and spots." It's a rainy day, and furry friends Riley and Rose are stuck inside with nothing to do but draw . . . and bicker. While Riley likes to draw circles...