Hear hear! There's a new Questioneer! Get ready to meet them in this sixth book in the New York Times bestselling series The sixth picture book in the New York Times bestselling Questioneers series will introduce a new Questioneer to the world. Follow Iggy Peck, Rosie Revere, Ada Twist, Sofia Valdez, and Aaron Slater on all of their adventures! Add the picture books, chapter books, and activity books starring The Questioneers by Andrea Beaty and David Roberts to your family library today.