A #1 New York Times Bestseller A Wall Street Journal Bestseller A USA Today Bestseller 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 instant New York Times bestseller Rosie Revere and the Raucous Riveters, the first all-new chapter book starring The Questioneers!