I can't even pretend that this is based on the book, considering the reference to musical lyrics. That said, I did draw my Heffalumps as regular elephants, instead of the stylized elephant-like creatures of the cartoon.
Lit Brick is a comic started by John S. Troutman in an effort to read the entire Norton Anthology of English Literature. Having eventually succeeded in that goal, it now features comics about all manner of random literature. And yeah, they're all pretty dumb.