I just bought this book at a used bookstore. It was published in 1976. I had a copy as a child, and was thrilled to see it.

My favorite entry in the book is The Slithergadee. Unlike most of the selections, which are historical English nonsense verse, this one is modern -- it was written by Shel Silverstein. It shows a little bunny rabbit perched on a rock in front of an immense red sea serpent. Lots of other bunny rabbits are fleeing for their lives.

Oh, the Slithergadee
Has come out of the sea.
He'll catch all the others,
But he won't catch me.

No, you won't catch me,
You old Slithergadee.
You'll catch all the others,
But you wo--