Lentil by Robert McCloskey
Lentil cannot sing or even whistle; longing to make music in some fashion, he provides himself with a harmonica and practices constantly wherever he is, especially in the bathtub, because there his tone is improved 100 percent. A book that, along with its fun, truly illustrates the American scene.
First published in 1940. This is a March 1969 1st print
There is a "To" inscription on the front cover.