<p>I came across the following lines:
</p><p>"And they piled up so high their shells creaked, and they bent,
</p><p>But old Yertle yelled, "Higher!" So higher they went."
</p><p>in this
youtube video. However, it doesn't appear in any of the text versions I've looked at.
</p><p>Are there different editions of the story? Anyone know which edition the one above might be?
</p><p>Thanks!
</p>