The Amazing Mumford and His Amazing Subtracting Trick
From Muppet Wiki
| Written by | Norman Stiles |
| Illustrator | Mike Smollin |
| Published | 1972 |
| Publisher | Western Publishing |
| Series | |
| ISBN |
The Amazing Mumford and His Amazing Subtracting Trick and featuring lovable, furry, old Grover is a book based on a skit performed on Sesame Street.

