![literarybug avatar](/pub/profile/avatars/75/2675/278882675.jpg)
This is a cute book. My 4 year old son cracks up when I read it to him. He is as amused by the pictures as he is by the jokes. It is a good introduction to knock knock jokes.
![buzzby avatar](/pub/profile/avatars/62/4762/792874762.jpg)
This is fun for the beginning reader. I am going to test my first grade class on this.