The 25 Most Popular Books by Dr. Seuss

Two children discover the wonder of all the creatures in the world, from multiple-footed animals to Wumps and Nooks. With the help of these imaginary creatures, the book teaches young people to accept our differences.

Young Marco conjures imaginary people and vehicles along Mulberry to tell his Dad about. In 2021, the Seuss estate announced it would no longer publish “And to Think That I Saw It on Mulberry Street” because of a racist depiction of an Asian man.

Written during the Cold War era, “The Butter Battle Book” depicts the ongoing battle between the Yooks and the Zooks. Each side butters their bread on opposite sides. The conflict leads to an escalating arms race with both sides poised for mutual assured destruction in the end.

Another story about accepting differences, the bird-like Sneetches are divided into two groups: One with stars on their bellies and others with no star. The star-bellied Sneetches believe they are superior. When Sylvester McMonkey McBean offers to solve the problem by adding or subtracting a star, the Sneetches realize they’ve been tricked and decide all Sneetches are equal.

Kindly elephant Horton stumbles upon a tiny world – Whoville – with tiny humans. At the request of the Mayor of Whoville, Horton declares he will protect them, saying “a person’s a person, no matter how small.” Despite other animals mocking him at first, Horton protects the people of Whoville.