by Christine Ricci ; illustrated by Robert Roper. by Christine Ricci ; illustrated by Zina Saunders. by Alison Inches ; illustrated by Robert Roper. by Christine Ricci ; illustrated by A&J Studios. by Phoebe Beinstein ; illustrated by Robert Roper. By Phoebe Beinstein ; illustrated by Robert Roper. by Charles M. Schulz; illustrated by Robert Pope. by Kirsten Anderson ; illustrated by Robert Squier. by Gail Herman ; illustrated by Robert Squier. adapted by Leslie Valdes ; illustrated by Robert Roper.