Kate Hannigan is the author of several children’s books, including A Lady Has the Floor, which received four starred reviews, Josephine and Her Dishwashing Machine, a 2024 NSTA-CBC Best STEM Book, and Nellie vs. Elizabeth, one of Smithsonian Magazine's Ten Best Children’s Books. Kate’s other books have also made the 2022 Texas Topaz Nonfiction Reading List, the 2023 Bank Street Best Books of the Year, and were nominated for the 2023 Illinois Bluestem Award, among many other honors.