Tác Giả David Roberts

Ada Twist, Scientist: The Why Files 1 - Exploring Flight!

A new addition to the Questioneers series, a full-color nonfiction early reader series based on the new Ada Twist, Scientist Netflix series!

Why do airplanes look the way they do? Why can’t birds fly when they’re first born? And why do some paper planes fly farther than others?

Ada Twist, Scientist: The Why Files is the perfect nonfiction resource for all these questions and more. Discover everything there is to know about flight from Ada Twist, Scientist―from information about creatures that fly, to the history of aircrafts, to modern technology that allows us to soar through the air faster than ever!

Based on the bestselling series and the new Netflix show, this nonfiction series is perfect for the youngest scientists of tomorrow!

Ada Twist And The Disappearing Dogs (The Questioneers Book 5)

A new addition to the bestselling Questioneers chapter book series following Ada Twist, the star of the new 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!

Ada Twist, Scientist: The Why Files 2: All About Plants!

A new addition to the Questioneers series, a non-fiction early reader series based on the Ada Twist, Scientist Netflix show!

What do plants eat? Why do some plants have flowers and others don’t? And what’s the tallest plant out there?

Ada Twist, Scientist: The Why Files is the perfect nonfiction resource for all these questions and more. Based on the bestselling series and the new Netflix show, this new 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.

Iggy Peck And The Mysterious Mansion: The Questioneers Book 3

Iggy Peck is an architect at his very core: When he’s not making houses out of food, his head is up in the clouds, dreaming of design. So he’s totally blown away when Ada Twist’s Aunt Bernice inherits an old house from ice-cream mogul Herbert Sherbert that is filled with countless rooms from all his favorite architectural periods. But something’s not quite right . . . Everyone says the house is haunted, and it seems that a number of priceless antiques—which were supposed to help Aunt Bernice pay for the house’s upkeep—have gone missing. If they can’t find those antiques, Aunt Bernice might lose the house forever. It will take all of Iggy’s knowledge of architecture and the help of the other Questioneers—Rosie Revere, Ada Twist, and Sofia Valdez—to solve the mystery and find the treasure!

Sofia Valdez And The Vanishing Vote: The Questioneers Book 4

Just in time for the 2020 election, the bestselling chapter book series continues with the newest Questioneer, Sofia Valdez

Miss Lila Greer announces it’s time for Grade Two to get a class pet, and she wants the kids to participate in choosing which one. After all, they will all have to share the responsibility of caring for it. The class narrows it down to two options: Team Turtle and Team Bird. Sofia is named Election Commissioner, in charge of overseeing a fair and honest election between the two teams. There’s a class-wide campaign, complete with posters, articles, and speeches. Then it’s time for the election! But when the votes are counted, there’s a tie, and one vote is missing. How will the class break the tie? And what happened to the vanishing vote? It’s up to Sofia Valdez and the Questioneers to restore democracy!

Ada Twist, Scientist: Brainstorm Book

A young activity book filled with stickers, activities, and posters based on the new Netflix show starring Ada Twist!

Ada Twist, Scientist: Brainstorm Book is a collectible package filled with tons of colorful stickers from the new Netflix show, including stickers of Ada Twist, her friends, and some of her wackiest science experiments! The book also includes fun activities for young scientists and 4 double-sided pull-out posters. With all these exciting elements, this is the perfect gift for fans of the bestselling book series, the new Netflix show, and the youngest thinkers and tinkerers!

Rosie Revere And The Raucous Riveters: The Questioneers Book 1

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 brand-new chapter books! The first installment, Rosie Revere and the Raucous Riveters, is a spirited story about the power of teamwork and the true meaning of home.

Rosie Revere is no stranger to flops and fails, kerfuffles and catastrophes. After all, engineering is all about perseverance! But this time, Rosie has a really important project to tackle—one that feels much bigger than herself.

Rosie’s beloved Aunt Rose and her friends, the Raucous Riveters—a group of fun-loving gals who built airplanes during World War II—need help inventing something new. And Rosie is just the engineer for the job!

After one flop . . . then another . . . and another . . . Rosie starts to lose hope. But thanks to some help from her fellow Questioneers Iggy Peck and Ada Twist, Rosie gets the job done. And, along with the Riveters, she rediscovers the meaning of home. 

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 And The Perilous Pants: The Questioneers Book 2

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.