After Charles Darwin discovered the frog in 1834, other researchers found that one of his specimens was packed full of tadpoles. Was the frog a cannibal, or perhaps a rare species that gave birth to live young instead of laying eggs? No. He was a male, holding the tadpoles safe in his vocal sac while they morphed into froglets. Andthe surprises didn't stop there. Author and frog scientist Marty Crump mines her firsthand experiences studying Darwin's frog to tell the fascinating story for young readers. Award-winning illustrators Steve Jenkins and Edel Rodriguez lend their art to a mix of beautiful photographs. Young readers will be enthralled by this story of real science, full of strange surprises.

    but even the most loyal cat owners are often baffled by their own pet's behavior. With veterinarian expert Dr. Gary Weitzman as guide, this fun book helps kids understand what cats are trying to communicate by their body language and behavior. So if you've ever wondered what Fluffy means when she's purring or moving her tail emphatically from left to right—this book is for you! It's full of insights, expert advice, and real-life cat scenarios, and showcases more than 30 poses, so you'll soon learn what each meow and flick of the tail means!

    How she was treated by medical and legal officials reveals a lesser-known story of human and constitutional rights, entangled with the science of pathology and enduring questions about who Mary Mallon really was. How did her name become synonymous with deadly disease? And who is really responsible for the lasting legacy of Typhoid Mary? This thorough exploration includes an author's note, timeline, annotated source notes, and bibliography.

    And listening. And staying quiet, so quiet you can hear your own heartbeat. Soon you’ll see that there are birds everywhere—up in the sky, down on the ground, sometimes even right in front of you just waiting to be discovered! Young bird lovers will adore this lushly illustrated introduction to how to spot and observe our feathered friends. It features more than fifty different species, from the giant whooping crane to the tiny ruby-throated hummingbird, and so many in between, and a detailed author’s note provides even more information about birding for curious readers. This celebration of the wondrous variety, colors, and sounds of the avian world is sure to have children grabbing their binoculars and heading outside to explore.

    In the tiny apartment he shares with his Baryshnikov-obsessed mother, poetry-loving father, continually outraged grandmother, and safely talented brother, all Yevgeny has is his little pencil, the underside of a massive table, and the doodles that could change everything. With equal amounts charm and solemnity, award-winning author and artist Eugene Yelchin recounts in hilarious detail his childhood in Cold War Russia as a young boy desperate to understand his place in his family.

    But, as adolescents are all too aware, there's a tremendous downside: When we do this to groups of people it can cause great harm. Here's a comprehensive introduction to the science behind stereotypes that will help young people make sense of why we classify people, and how we can change our thinking. It covers the history of identifying stereotypes, secret biases in our brains, and how stereotypes affect our sense of self. Most importantly, it covers current research into how science can help us overcome our biases, offering hope for a future where stereotypes are less prevalent and the world is more fair for everyone.Written by award-winning author Tanya Lloyd Kyi, this timely and hopeful book addresses the issues of discrimination, racism, sexism, ableism and homophobia and offers concrete suggestions on how to make change. It uses scientific inquiry and loads of relatable and interesting examples to explore these uncomfortable topics in age-appropriate and engaging ways. Chapters, sidebars and colorful illustrations break the text into manageable chunks. Besides the many ways this book could be used to inspire frank and in-depth discussions on the importance of addressing stereotypes and bias, it also links to many science and social studies curriculum topics. Back matter includes an extensive list of sources, suggestions for further reading and an index.

    They belonged to Hitler Youth as young children, but began to doubt the Nazi regime. As older students, the Scholls and a few friends formed the White Rose, a campaign of active resistance to Hitler and the Nazis. Risking imprisonment or even execution, the White Rose members distributed leaflets urging Germans to defy the Nazi government. Their belief that freedom was worth dying for will inspire young readers to stand up for what they believe in. Archival photographs and prints, source notes, bibliography, index.

    A full-color chapter book biography that shows how a self-taught scientist was the first to observe the microbial life in and around us. By building his own microscope, Antony van Leeuwenhoek advanced humanity's understanding of our oft-invisible world around us.

    Join a young girl and her father, the falconer at a medieval castle, as they experience the joys of taking a goshawk out for a training flight. The girl leads readers through all the preparations and equipment needed for the flight from the hawk s hood and bells to the falconer s gloves culminating in a dramatic demonstration of the hawk s hunting skill. Bagram Ibatoulline s masterful illustrations capture the vivid details and beauty of a day spent hawking, while Danna Smith s poetic storytelling will make readers long to experience the art and sport of falconry firsthand."

    This biographical picture book about the Notorious RBG, tells the justice’s story through the lens of her many famous dissents, or disagreements.

    Have you seen her?She's in New York. She's holding a torch. And she's in mid-stride, moving forward. But why?In this fascinating, fun take on nonfiction, Dave Eggers and Shawn Harris investigate a seemingly small trait of America's most emblematic statue. What they find is about more than history, more than art. What they find in the Statue of Liberty's right foot is the message of acceptance that is essential to an entire country's creation.

    Her endless curiosity eventually led to her career in diving and paleontology, where she would continue to find things big and small. In 1990, at a dig in South Dakota, Sue made her biggest discovery to date: Sue the T. rex, the largest and most complete T. rex skeleton ever unearthed. Named in Sue’s honor, Sue the T. rex would be placed on permanent exhibition at the Field Museum of Natural History in Chicago. When Sue Found Sue inspires readers to take a closer look at the world around them and to never lose their brave, adventurous spirits.

    Her story came to light when her secret papers were finally declassified in 2015. From thwarting notorious rumrunners with only paper and pencil to “counter-spying into the minds and activities of” Nazis, Elizebeth held a pivotal role in the early days of US cryptology. No code was too challenging for her to crack, and Elizebeth’s work undoubtedly saved thousands of lives. Extensive back matter includes explanations of codes and ciphers, further information on cryptology, a bibliography, a timeline of Elizebeth’s life, plus secret messages for young readers to decode.

    Beloved children's book author Stacy McAnulty helps Earth tell her story, and award-winning illustrator David Litchfield brings the words to life. The book includes back matter with even more interesting tidbits.

    But there was a time when people hunted the otters almost to extinction. Without sea otters to eat them, an army of hungry sea urchins grew and destroyed entire kelp forests. Fish and other animals that depended on the kelp were lost, too. But when people protected the sea otters with new laws, their numbers began to recover, and so did the kelp forests. Susannah Buhrman-Deever offers a beautifully written account of a trophic cascade, which happens when the removal of a single element affects an entire habitat. Asides that dig deeper are woven throughout Matthew Trueman’s dynamic illustrations, starring a raft of charismatic sea otters. Back matter includes more information about sea otters and kelp forests, including their importance and current status, the effects of the international fur trade on indigenous peoples, and a list of books and websites for readers who wish to continue to explore.