The Seuss / HP mashup I never knew I needed.
Book 1: The Cat in the Philosopher’s Hat
Book 2: The Chamber of Sneetches
Book 3: Oh, to Azkaban You’ll Go!
Book 4: The Goblet of Green Eggs
Book 5: The Order of the Lorax
Book 6: The Half-Blood Grinch
Book 7: Horton Hears a Horcrux
Now you just need to write them!