About Rosemary Valero-O'Connell ROSEMARY VALERO-O’CONNELL has done work for DC Comics, BOOM! Studios, CAPY Games and Mondo Tees, among others. Her work has been recognized by the Society of Illustrators and shown in galleries both locally and internationally. Books by Rosemary Valero-O'Connell Laura Dean Keeps Breaking Up with Me by (author) Mariko Tamaki illustrated by Rosemary Valero-O'Connell Ages 14 to 18 Grades 9 to 12