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.

    Stunning, realistic illustrations celebrate the beauty of these mysterious creatures as readers learn important facts through an engaging and fascinating story. The book also includes back matter with more in-depth information, a glossary, and further resources.

    Frizzle's class is learning all about water. And when Wanda suggests they take a trip to Waterland, Ms Frizzle gets that funny look in her eyes. But instead of taking her class to the water theme park, she takes them on a seriously wet and wild ride - through the water cycle! Join the class as they evaporate, condense, rain, and make their way back to the ocean...only to evaporate all over again!

    Animals fly south or get ready to hibernate. People harvest crops and dress up as scary creatures for Halloween. And then there are pickup football games to play, Thanksgiving foods to eat, leaf piles to jump in—all the amazing things that happen as the air turns crisp and cool.  With colorful photographs, lively explanations, and classic craft ideas, Bruce Goldstone has created a festive and fascinating exploration of autumn’s awesomeness.

    Can you imagine that many of anything?The playful illustrations from New York Times–bestselling artist Isabel Greenberg and the friendly, straightforward voice of author Seth Fishman illuminate some of the biggest numbers in the universe—a hundred billion trillion stars—and the smallest—one unique and special YOU. Here is a book for story time, for science time, for math time, for bedtime, and all the times in between.Perfect for curious children, classrooms eager for STEM content, and readers who have devoured Ada Twist, Scientist and How Much Is a Million?

    The night flower is about to bloom. This celebration transforms the quiet desert for just a short few hours into a riot of colour and sound, as mammals and insects congregate from miles away to take part in this miracle of nature. From pollinating fruit bats to burrowing owls, howling mice and reptilian monsters, explore the unusual wildlife the desert has to offer in this beautiful non-fiction picture book.

    Gradually reintroduced, they are thriving again in the West, much to the benefit of the ecosystem. This book will teach a new generation to appreciate the grace, dignity, and value of wolves as it promotes awareness of the environment’s delicate balance. Paired with gorgeous paintings by landscape artist Wendell Minor, Jean Craighead George’s engaging text will inspire people of all ages to care about the protection of endangered species.

    purple mountains’ majesty, mauvelous, jungle green, razzmatazz… What child doesn't love to hold a crayon in their hands?  But children didn't always have such magical boxes of crayons. Here’s the true story of an inventor who so loved nature’s vibrant colors that he found a way to bring the outside world to children – in a box for only a nickel!

    Birds leave, flowers, too. Apples and temperatures fall—then snow! Part poem, part silent stage, this luminous picture book puts autumn on display and captures the spirit of change that stays with us long after fall leaves. Unlock the secrets of this busy and beautiful time of year as the natural world makes way for winter.

    Capturing an engineer’s creative vision and mind for detail, this fully illustrated picture book biography sheds light on how the American inventor George Ferris defied gravity and seemingly impossible odds to invent the world’s most iconic amusement park attraction, the Ferris wheel.     A fun, fact-filled text by Gibbs Davis combines with Gilbert Ford’s dazzling full-color illustrations to transport readers to the 1893 World’s Fair, where George Ferris and his big, wonderful wheel lifted passengers to the skies for the first time.

    Children are given a well-rounded understanding of this beautiful fish: its anatomy, feeding habits and behavior. The following Sharks are featured:* The swift Black Tip Reef Shark* The dangerous Bull Shark* The resourceful Hammerhead Shark* The feared Great White Shark* The stealthy Lemon Shark* The fanged Nurse Shark* The gentle Whale Shark* The deceptive Wobbegong

    A perfect introduction to mathematical concepts for young readers, written by a Newbery honor-winning author!This colorfully illustrated biography of the Greek philosopher and scientist Eratosthenes, who compiled the first geography book and accurately measured the globe's circumference, is just right for budding mathematicians, scientists, historians, and librarians! Filled with fascinating details about Eratosthenes's world (and in print since 1994), kids are sure to flip through the pages time and again.

    There’s even a recount! The cast of characters includes two dogs (and a cat), whose questions and comments mirror those of young readers and help to explain some of an election’s more confusing aspects. Told with clarity and wit in Eileen Christelow’s signature comic-book style and vetted by an expert in voter education, this look at how we choose our leaders turns an often daunting topic into an exciting narrative. Who would have guessed that learning about voting could be so much fun?A timeline of the history of voting in the United States, a glossary of words associated with voting, a discussion of American political parties, and a list of Internet resources are included.

    This closeup look at the evolution and behavior of horses, zebras, ponies, mules, and more examines their importance to humans throughout history, and includes photos of all major domestic breeds.

    His popular TV series brought whales, otters, and dolphins right into people s living rooms. Now, in this exciting picturebook biography, Dan Yaccarino introduces young readers to the man behind the snorkel. From the first moment he got a glimpse of what lived under the ocean s waves, Cousteau was hooked. And so he set sail aboard the Calypso to see the sea. He and his team of scientists invented diving equipment and waterproof cameras. They made films and televisions shows and wrote books so they could share what they learned. The oceans were a vast unexplored world, and Cousteau became our guide. And when he saw that pollution was taking its toll on the seas, Cousteau became our guide in how to protect the oceans as well."