by Phoebe Beinstein ; illustrated by Robert Roper. By Phoebe Beinstein ; illustrated by Robert Roper. by Alison Inches ; illustrated by Robert Roper. by Christine Ricci ; illustrated by Robert Roper. by Charles M. Schulz; illustrated by Robert Pope. by Gail Herman ; illustrated by Robert Squier. by Peter Stein ; illustrated by Bob Staake. by Kirsten Anderson ; illustrated by Robert Squier. by Patricia Brennan Demuth ; illustrated by Robert Squier. adapted by Leslie Valdes ; illustrated by Robert Roper.