- SEUSS
- Green Eggs and Ham writer
- The Cat in the Hat author
- Kids' Dr.
- Marvin K. Mooney's doctor
- Yertle the Turtle author
- Puzzle (out)
- Fox in Socks author
- The Lorax creator
- Author of a best seller that used only 50 different words
- Author who coined the word "nerd"
- Dr. of doggerel
- Dr. of kiddie lit
- Lorax creator
- Geisel pseudonym
- Geisel's pseudonym
- Sam-I-Am's creator
- Children's doctor?
- Whoville creator
- Oh, the Places You'll Go! author
- The Butter Battle Book writer
- He once won a bet with his publisher that he could write a book using a vocabulary of 50 words or less
- Horton "hatcher"
- Author whose style is imitated in the "South Park" episode "A Scause for Applause"
- Green Eggs and Ham author
- Creator of 5-Across
- Dr. of literature
- If I Ran the Zoo author
- Dr. of poetry?
- Big name in kiddy lit
- Dr. of children's literature
- Dr. ___ (Horton's creator)
- Kid-lit Dr.
- McBoing Boing's creator
- Dr. of kiddy lit
- Doctor of children's literature
- Grinch creator
- He wrote "There's a Wocket in My Pocket!"
- Creator of the Sneetches
- Yertle the Turtle creator
- Who-ville's creator
- Creator of Bartholomew Cubbins
- Dr. for children?
- Kid lit doctor
- Theodor Geisel's pen name
- Creator of The Grinch
- Dr. of whimsey
- Cat in the Hat author
- Creator of the Lorax
- Doctor of kiddie lit
- Horton the Elephant's creator
- There's a Wocket in My Pocket! author
- Whos' creator
- The Sneetches author
- Kiddie lit Dr.
- Hop on Pop author
- 1980 Laura Ingalls Wilder Award recipient
- Author among whose pen names was Theo LeSieg
- Author Theodor __ Geisel
- Creator of Horton the Elephant
- Gertrude McFuzz creator
- Sneetches creator
- Dr. who created the Grinch
- His birthday is Read Across America Day
- Geisel's pen name
- Grinch's creator
- Kid-lit giant
- The Lorax author
- Theodor Geisel's middle name
- Horton Hears a Who! author
- Cat in the Hat creator
- Horton's creator
- Dr. of children's books
- Dr. who wrote "Green Eggs and Ham"
- Author who coined "nerd"
- Creator of Horton and Thidwick
- Creator of Sam-I-Am
- Yertle the Turtle byline
- Yertle's creator
- Doctor who wrote "Green Eggs and Ham"
- Grinch guy
- Random House's #1 children's author
- Giant of rhyming kiddie lit
- Creator of Yertle the Turtle
- Creator of Thidwick
- Creator of Floob-Boober-Bab-Boober-Bubs
- Creator of the Zax
- Dr. ___, author of juveniles.
- Dr. ___, author of "The Cat in the Hat."
- Children's literary Dr.
- Dr. ___, writer for children.
- Doctor, popular with young readers.
- Writer of children's books.
- Creator of Gerald McBoing-Boing
- Dr. ___ of children's books
- Dr. ___, juvenile writer
- Dr. of cartoon books
- Dr. ___, humorist
- Famous doctor
- Children's author
- Theodor Geisel a k a Dr. ___
- T. Geisel's middle name
- The Cat in the Hat man
- Author of "The Seven Lady Godivas"
- Children's Dr.
- Oobleck's creator
- There's a Wocket in My Pocket! writer
- Writer/illustrator of the story "Gertrude McFuzz"
- Yooks' and Zooks' creator
- Big name in children's books
- Dr. of story and rhyme
- Pseudonymous doctor
- Doctor loved by children
- Creator of Thidwick the Big-Hearted Moose
- Dr. for kids
- Noted trisyllabic metrist
- Noted children's "doctor"
- Author of the books quoted at 17-, 29-, 38-, 46- and 59-Across
- Doctor of letters?
- Dr. of verse
- Popular author most of whose work is written in anapestic tetrameter
- Children's author who wrote "There is no one alive who is you-er than you!"
- Dr. who wrote "I like nonsense. It wakes up the brain cells"
- Doctor for kids
- Doctor who created oobleck
- Geisel's nom de plume
- The Foot Book author
- Beloved children's Dr.
- Rhyming Dr.
- Cat in the Hat doctor
- The Grinch's Dr.
- Cat doctor?
- Oobleck creator of kiddie lit
- Creator of Thing 1 and Thing 2
- Creator of the Whos
- Dr. of kid lit
- Author behind "Horton Hears a Who," Thing One and Thing Two
- Literary dr.
- Theodore Giesel a.k.a. Dr. ____
- Author of Green Eggs and Ham
- Bedtime reading
- Writer Dr.
- Famous children's Dr.
- Dr. ___, creator of the Lorax
- Dr. who wrote "Hop on Pop"
- Doctor of literature
- Tale-telling physician
- Zany doctor
- Creator of the Yooks and the Zooks
- Dr. who created Yertle and Horton
- The Lorax's creator
- The Butter Battle Book author
- Creator of Whos and Sneetches
- Name on the covers of kids' books
- Oobleck inventor
- Author of six books retired in 2021
- Name on "The Butter Battle Book" cover