by Charles M. Schulz; illustrated by Robert Pope. by Charles M. Schulz; illustrated by Scott Jeralds. by Christine Ricci ; illustrated by Robert Roper. by Alison Inches ; illustrated by Robert Roper. by Phoebe Beinstein ; illustrated by Robert Roper. by Charles G. Davis ; illustrated by the author. by Gail Herman ; illustrated by Robert Squier. by Kirsten Anderson ; illustrated by Robert Squier. by Cari Meister, illustrated by Albert Pinilla by Clare Bevan ; illustrated by Lara Jones.