Who was Grace Hopper? A software tester, workplace jester, cherished mentor, ace inventor, avid reader, naval leader—AND rule breaker, chance taker, and troublemaker. Grace Hopper coined the term “computer bug” and taught computers to “speak English,” and throughout her life succeeded in doing what no one had ever done before. Delighting in difficult ideas and in defying expectations, the insatiably curious Hopper truly is “Amazing Grace” . . . and a role model for science- and math-minded girls and boys.

    Do polar bears build homes? Do penguins snuggle with a friend? Yes! But their homes aren't made of wood, and they don't cuddle on a couch. Instead, these animals and many more have adapted in amazing ways to survive chilly weather.Whether it's whales layering up with 12 inches of blubber, turtles burrowing into the mud to snooze and wait for spring, or emperor penguins coming together in a giant huddle, this book is full of fascinating tidbits about animal behavior in winter.Written in a question-and-answer format, this interactive nonfiction book encourages kids to predict the answers and shout them out. Playful phrasing and comic illustrations make the content engaging for readers, who will gain newfound knowledge and an early understanding of adaptations in nature.

    This award-winning book by Janell Cannon has sold over 500,000 copies and was on the bestseller list for more than two years.

    She has to use standard units like inches and nonstandard units like paper clips to find out height, width, length, weight, volume, temperature, and time. Lisa decides to measure her dog, Penny, and finds out ... Penny's nose = 1 inch long Penny's tail = 1 dog biscuit longPenny's paw print = 3 centimeters wide ... and that's only the beginning! Lisa learns a lot about her dog and about measuring, and even has fun doing it.This clear and engaging concept book, delivered with a sense of humor, is certain to win over the most reluctant mathematician.

    When a professor discovered that the homework sent to him under a male pen name came from a woman...nothing stopped Sophie. And when she tackled a math problem that male scholars said would be impossible to solve...still, nothing stopped Sophie.For six years Sophie Germain used her love of math and her undeniable determination to test equations that would predict patterns of vibrations. She eventually became the first woman to win a grand prize from France's prestigious Academy of Sciences for her formula, which laid the groundwork for much of modern architecture (and can be seen in the book's illustrations).Award-winning author Cheryl Bardoe's inspiring and poetic text is brought to life by acclaimed artist Barbara McClintock's intricate pen-and-ink, watercolor, and collage illustrations in this true story about a woman who let nothing stop her.