9781419734229. New condition. Hard cover. Language: English. Pages: 144. Sewn binding. Cloth over boards. 144 p. Contains: Illustrations. Questioneers 2. Intended for a juvenile audience. Ada Twist is full of questions. A scientist to her very core Ada asks why again and again. One question always leads to another until she s off on a journey of discovery! When Rosie Revere s Uncle Ned gets a little carried away wearing his famous helium pants it s up to Ada and friends to chase him down. As Uncle Ned floats farther and farther away Ada starts asking lots of questions: How high can a balloon float? Is it possible for Uncle Ned to float into outer space? And what s the best plan for getting him down? In this new chapter-book adventure Ada must rely on her curious mind her brave spirit and her best pals Rosie Revere and Iggy Peck to solve a mystery in her own backyard.