I Wish That I Had Duck Feet is a children's book written by Dr. Seuss, illustrated by B. Tobey, and first published in 1965. "Theo. LeSieg" was a pen name of Theodor Geisel, who is more commonly known as Dr. Seuss. The story concerns a boy who wishes that he could have many different animal and mechanical body parts, explaining the pros and cons of the body part. At the end, he decides that he is happiest being himself.