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Related Clues:
- Dr -, children's author (The Cat in the Hat)
- Return publications omitting lead children's author
- Dr. —, US children's author
- He created Whoville
- Author of the books quoted at 17-, 29-, 38-, 46- and 59-Across
- Grinch creator Dr. --
- His birthday is Read Across America Day
- Source of the line 'There is no one alive who is you-er than you!'
- "The Cat in the Hat" author
- Writer who used his actual middle name as a pen name
- 'Dr.' known for his rhymes
- Creator of Sylvester McMonkey McBean
- ''What Pet Should I Get?'' author
- Dr. ___, creator of the Lorax
- Dr. who created Yertle and Horton