2026 - Theme: Team & Teamwork; Winner: Unstoppable by Adam Rex
2025 - Themes: Home, Brains, Heart & Courage; Winner from the theme of Home: Barnaby Unboxed by The Fan Brothers
2024 - Theme: Belonging; Winner: All the Way to the Top: How One Girl's Fight for Americans with Disabilities Changed Everything by Annette Bay Pimentel
2023 - Theme: Belonging; Winners: It was a TIE! Drawn Together by Minh Le and Dan Santat & Beegu by Alexis Deacon
2022 - Theme: Heroes; Winner: Unknown by Colin Thompson
2021 - Theme: Friendship; Winner: Two Bobbies : a true story of Hurricane Katrina, friendship, and survival by Kirby Larson
Winners before 2021 are on the National March Book Madness site.