From the Munster Hunters Almanac:
In the Munster Hunters episode covering All-Star Munster, Keith brought us a look into Fred Gwynne's career as an accomplished children's book author and illustrator.
The man we most commonly know as Herman Munster also had a real knack for creating delightful drawings and telling fun stories. His love of word play and clever illustration lead him to author such books as: A Little Pigeon Toad, The 16 Hand Horse, and A Chocolate Moose for Dinner.
Fred had also created the logo for "Grandpa" Al Lewis's Italian restaurant.