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?

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40+ things to discover, draw, and make!

Featuring art from the beloved #1 New York Times bestselling picture book Ada Twist, Scientist, this activity book contains kid-friendly projects of all kinds and is the perfect gift for curious young readers! Along the way, Ada will help her fellow scientists solve mysteries big and small and show how the powerful impact of scientific research is felt all around us.

Learn how to:
* Build an aquascope
* Grow plants in your own garden
* Watch decomposition at work
* Track the phases of the moon
* Design a vehicle powered by renewable energy
And much more!