| Answer | Crossword Clue |
|---|---|
| POP | Dr. Seuss's "Hop on ..." |
| POP | Seuss's "Hop on ..." |
| HOP | Dr. Seuss's "... on Pop" |
| ZEBRA | Dr. Seuss's "On Beyond ...!" |
| ISAW | Dr. Seuss's "And to Think That ... It on Mulberry Street" |
| FOXINSOCKS | Dr. Seuss book published after "Hop on Pop" |
