New York Times bestseller! Now a Netflix Series! “Packs plenty of information into a high-flying adventure.” —School Library Journal “Adventure, humor, and smart, likable characters make for a winning chapter book.” —Kirkus Reviews From the #1 New York Times bestselling team Andrea Beaty and David Roberts who created Ada Twist, Scientist and Iggy Peck, Architect comes a spirited story full of adventure, friendship, and science! This is a unique and exciting series of children’s chapter books for children, parents, and teachers who want to make STEM (Science, Technology, Engineering, and Math) fun. 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 the Whole Series: Rosie Revere and the Raucous Riveters: The Questioneers Book #1 Ada Twist and the Perilous Pantaloons: The Questioneers Book #2 Iggy Peck and the Mysterious Mansion: The Questioneers Book #3 Sofia Valdez and the Vanishing Vote: The Questioneers Book #4 Ada Twist and the Disappearing Dogs: The Questioneers Book #5 Aaron Slater and the Sneaky Snake: The Questioneers Book #6

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?

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 Also Available: The Questioneers Family Calendar 8.2019 - 12.2020 Wall Calendar (ISBN: 978-1-4197-3067-2)

New York Times bestselling author Andrea Beaty and neuroscientist Theanne Griffith’s Going Green! is the sixth book in The Why Files, a nonfiction early-reader series starring Ada Twist, Scientist! How can the sun power the lights in our homes? What happens to our things after we recycle them? How is renewable energy being used to fight climate change? Ada Twist, Scientist: The Why Files is the perfect nonfiction resource for all these questions and more. Based on the bestselling Questioneers series and the Ada Twist, Scientist Netflix show, this nonfiction series is perfect for the youngest scientists of tomorrow as they learn along with Ada. Designed in a scrapbook format, these books combine art from the show, illustrations, and photography to bring simple science concepts to life. Watch Ada Twist in the Netflix television series Ada Twist, Scientist! Check out all the books in the Questioneers series: The Questioneers Picture Book Series: Iggy Peck, Architect | Rosie Revere, Engineer | Ada Twist, Scientist | Sofia Valdez, Future Prez | Aaron Slater, Illustrator | Lila Greer,Teacher of the Year The Questioneers Chapter Book Series: Rosie Revere and the Raucous Riveters | Ada Twist and the Perilous Pants | Iggy Peck and the Mysterious Mansion | Sofia Valdez and theVanishing Vote | Ada Twist and the Disappearing Dogs | Aaron Slater and the Sneaky Snake | Lila Greer and the Shrieking Shadow Ada Twist, Scientist: The Why Files Series: Exploring Flight! | All About Plants! | TheScience of Baking | Bug Bonanza! | Rockin’ Robots! | Going Green! Questioneers: Ada Twist, Scientist Series: Ghost Busted | Show Me the Bunny | Brainstorm Book | 5-Minute Ada Twist, Scientist Stories The Questioneers Big Project Book Series: Iggy Peck’s Big Project Book for Amazing Architects | Rosie Revere’s Big Project Book for Bold Engineers | Ada Twist’s Big Project Book for Stellar Scientists | Sofia Valdez’s Big Project Book for Awesome Activists | Aaron Slater’s Big Project Book for Astonishing Artists

Ada Twist and the Disappearing Dogs is the fifth story in author Andrea Beaty and illustrator David Roberts’s New York Times bestselling Questioneers chapter book series following Ada Twist, the star of the Netflix TV show! Blue River Creek has a problem: there’s a pet thief on the loose! Or at least, Sofia and Iggy are convinced that there is once their pets go missing. But as a scientist, Ada knows it’s important not to jump to conclusions and to follow the facts. How will they find out what really happened to the town’s pets? By using the scientific method, of course! Through making a hypothesis, collecting data, and experimentation, the Questioneers must find the missing animals before even more pets disappear! Check out all the books in the Questioneers Series: The Questioneers Picture Book Series: Iggy Peck, Architect | Rosie Revere, Engineer | Ada Twist, Scientist | Sofia Valdez, Future Prez | Aaron Slater, Illustrator | Lila Greer, Teacher of the Year The Questioneers Chapter Book Series: Rosie Revere and the Raucous Riveters | Ada Twist and the Perilous Pants | Iggy Peck and the Mysterious Mansion | Sofia Valdez and the Vanishing Vote | Ada Twist and the Disappearing Dogs | Aaron Slater and the Sneaky Snake Questioneers: The Why Files Series: Exploring Flight! | All About Plants! | The Science of Baking | Bug Bonanza! | Rockin’ Robots! Questioneers: Ada Twist, Scientist Series: Ghost Busted | Show Me the Bunny | Ada Twist, Scientist: Brainstorm Book | 5-Minute Ada Twist, Scientist Stories The Questioneers Big Project Book Series: Iggy Peck’s Big Project Book for Amazing Architects | Rosie Revere’s Big Project Book for Bold Engineers | Ada Twist’s Big Project Book for Stellar Scientists | Sofia Valdez’s Big Project Book for Awesome Activists | Aaron Slater’s Big Project Book for Astonishing Artists

New York Times bestselling author Andrea Beaty and neuroscientist Theanne Griffith’s Rockin’ Robots is the fifth book in a nonfiction early-reader series about the science of robots starring Ada Twist, Scientist! What exactly is a robot? How do they talk and move? And what does it take to build one? Ada Twist, Scientist: The Why Files is the perfect nonfiction resource for all these questions and more. Based on the bestselling Questioneers series and the Ada Twist, Scientist Netflix show, this nonfiction series is perfect for the youngest scientists of tomorrow as they learn along with Ada. Designed in a scrapbook format, these books combine art from the show, illustrations, and photography to bring simple science concepts to life. Check out all the books in the Questioneers Series: The Questioneers Picture Book Series: Iggy Peck, Architect | Rosie Revere, Engineer | Ada Twist, Scientist | Sofia Valdez, Future Prez | Aaron Slater, Illustrator | Lila Greer, Teacher of the Year The Questioneers Chapter Book Series: Rosie Revere and the Raucous Riveters | Ada Twist and the Perilous Pants | Iggy Peck and the Mysterious Mansion | Sofia Valdez and the Vanishing Vote | Ada Twist and the Disappearing Dogs | Aaron Slater and the Sneaky Snake The Questioneers: The Why Files Series: Exploring Flight! | All About Plants! | The Science of Baking | Bug Bonanza! | Rockin’ Robots! The Questioneers: Ada Twist, Scientist Series: Ghost Busted | Show Me the Bunny | 5-Minute Ada Twist, Scientist Stories | Ada Twist, Scientist: Brainstorm Book The Questioneers Big Project Book Series: Iggy Peck’s Big Project Book for Amazing Architects | Rosie Revere’s Big Project Book for Bold Engineers | Ada Twist’s Big Project Book for Stellar Scientists | Sofia Valdez’s Big Project Book for Awesome Activists | Aaron Slater’s Big Project Book for Astonishing Artists

The fourth book in a nonfiction early-reader series about simple science concepts starring Ada Twist, Scientist! How do bees fly? Why does a spider weave a web? And why are bugs so important to our world? Ada Twist, Scientist: The Why Files is the perfect nonfiction resource for all these questions and more. Based on the bestselling Questioneers series and the Ada Twist, Scientist Netflix show, this nonfiction series is perfect for the youngest scientists of tomorrow, as they learn along with Ada. Designed in a scrapbook format, these books combine art from the show, illustrations, and photography to bring simple science concepts to life.