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 in this new chapter-book adventure. Illustrations.
An instant New York Times bestseller

You loved the bestselling picture books starring Rosie Revere, Ada Twist, and Iggy Peck. Now you can follow The Questioneers' further adventures in all-new chapter books Don't miss the first instant New York Times bestselling volume, Rosie Revere and the Raucous Riveters.

In Ada Twist and the Perilous Pants, 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.

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?

Collect them all Add these other STEM favorites from #1 New York Times bestselling team Andrea Beaty and David Roberts to your family library today

Rosie Revere, Engineer
Ada Twist, Scientist
Iggy Peck, Architect
Rosie Revere and the Raucous Riveters
Ada Twist's Big Project Book for Stellar Scientists
Iggy Peck's Big Project Book for Amazing Architects
Rosie Revere's Big Project Book for Bold Engineers
The Questioneers Family Calendar