"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?"--

When pets go missing in Blue River Creek it is up to Ada to follow the scientific method by making a hypothesis, collecting data, and experimenting to find the missing animals.

Sofia is put in charge of overseeing a fair election for a class pet, but first the Questioneers must learn about elections and good journalism--and remember that being a community matters most. Includes facts about the Delano Grape Strike, presidential elections, journalism, and the importance of voting.

Iggy is delighted when Ada Twist's Aunt Bernice inherits a mansion featuring his favorite architectural periods, but unless the Questioneers can find its missing antiques, the house may be lost forever. Includes information about Art Deco and Art Nouveau, facts about unusual cats, a recipe for ice cream, and a biographical note on Ida B. Wells.

Presents an interactive trivia book from author and Jeopardy! champion Ken Jennings on Greek mythology. Features illustrations, quizzes, games, sidebars, tables, and a recipe.

Poses questions for pondering: "Would you rather be a dog or be a cat?", "Would you rather live in igloos or in tents?", "Would you rather be a mermaid with a tail instead of feet?"

Features a collection of amazing facts about strange things around us--featuring two strange-but true stories accompanied by one fictionalized tale. Reveals which are true and how the false stories often have their foundation in reality. Includes maps and color photographs.

"In a world that doesn't always welcome big questions, a persistent and inquisitive girl keeps asking them anyway--because asking questions is how we learn and grow"--

"Come along with Fly Guy as he asks (and answers!) over 100 "why?" questions! Why do I have to brush my teeth? Why do cats climb trees if they can't get down? Why do elephants have trunks? And more! There are also science projects and fun activities -- so kids can use what they've learned in a hands-on way! With engaging full-color photographs on every page, content appropriate for a young audience, humorous artwork, and colorful comic strips starring...

This beautifully illustrated volume brings to life the civilization of Ancient Egypt. Readers will learn about the pharaohs, Egyptian religious rites, life and work at court and in the towns, and, of course, hieroglyphs, the pyramids, and mummies. In addition, the book contains step-by-step instructions and accompanying images for more than a dozen fun, hands-on activities. These will help young readers to better understand the Ancient Egyptian civilization...