Now a Netflix series!
A #1New York TimesBestseller
AWall Street JournalBestseller
AUSA TodayBestseller

Inspired by real-life makers Ada Lovelace and Marie Curie, this beloved #1 bestseller champions STEM, girl power and women scientists in a rollicking celebration of curiosity, the power perseverance, and the importance of asking “Why?”

Don’t miss Ada’s further adventures–with her friends Iggy Peck and Rosie Revere–in the instantNew York TimesbestsellerRosie Revere and the Raucous Riveters, the first all-new chapter book starring The Questioneers!

Ada Twist’s head is full of questions. Like her classmates Iggy and Rosie–stars of their ownNew York Timesbestselling picture booksIggy Peck, ArchitectandRosie Revere, Engineer–Ada has always been endlessly curious. Even when her fact-finding missions and elaborate scientific experiments don’t go as planned, Ada learns the value of thinking her way through problems and continuing to stay curious.