Crossword Heaven

Answer: HOPONPOP

HOPONPOP is a crossword puzzle answer that we have spotted 7 times.

• Dr. Seuss book
• Dr. Seuss title
• Dr. Seuss classic
• Book with the words "Fish in a tree. How can that be?"
• "Red Ned Ted and Ed in bed"
• Book whose last line is "Ask me tomorrow but not today"
• Book with the line "My father can read big words, too. / Like Constantinople and Timbuktu"