I had to ignore the popularity of green eggs and ham. You can pm me to find out why.
Fortunately, I was a little older than the intended audience when that book came out. I don't know why I missed Horton, Whoever. Maybe Mom was afraid he'd be eaten in the story.
Horton Hatches an Egg! That was the longest one I had memorized. Children and grands grew up with me reading the good Doctor's books. Never went to bed without at least one book read to them.