by Dr. Seuss
From The Sneetches and Other Stories
Copyright 1961 by Theodor S. Geisel and Audrey S. Geisel, renewed 1989

One day, making tracks
In the prairie of Prax,
Came a North-Going Zax
And a South-Going Zax.

And it happened that both of them came to a place
Where they bumped. There they stood.
Foot to foot. Face to face.

“Look here, now!” the North-Going Zax said, “I say!
You are blocking my...