The story is charming, the characters amusing, and the illustrations polished and a perfect match for the tone. Additionally, children may learn new words, as the author is mostly successful (though not always) in defining Mr. Mouthful’s hifalutin vocabulary in the context of the narrative.

"Mr. Mouthful Learns His Lesson by Joseph Kimble is a funny book.... Cute illustrations lend a lot of personality to Mr. Mouthful and his pet monkey, as well as all the people they interact with."

"A valuable book that you will fall in love with. Will definitely last through several stages of a child's life. Funny, silly, creative . . . . Teaches important life lessons . . . ingeniously. The illustrations are fantastic . . . . A superb book that you will want in your home."