by Charles M. Schulz ; written by Jason Cooper ; illustrated by Vicki Scott. by Charles M. Schulz ; adapted by Kara McMahon ; illustrated by Scott Jeralds. by Charles M. Schulz; illustrated by Robert Pope. Adapted by Natalie Shaw ; illustrated by Vicki Scott by Charles M. Schulz ; based on the animated special, the text was adapted by Maggie Testa ; illustrated by Vicki Scott.