Muppet Wiki
Written by Norman Stiles
Illustrator Mike Smollin
Published 1972
Publisher Western Publishing

The Amazing Mumford and His Amazing Subtracting Trick and featuring lovable, furry, old Grover is a 1972 storybook based on a sketch performed on Sesame Street.

The Amazing Mumford makes pineapples disappear, amazing his assistant Grover. In the end, Mumford makes himself disappear.

The book was the first collaboration between Norman Stiles and Christopher Cerf.[1]


  1. ↑ The Atlantic "The Songsmiths of Sesame Street" by Julie Beck, March 29, 2019