But the dot, though perfect in every way, only had eyes for a wild and unkempt squiggle. All of the line's romantic dreams were in vain, until he discovered...angles! Now, with newfound self-expression, he can be anything he wants to be--a square, a triangle, a parallelogram....And that's just the beginning!First published in 1963 and made into an Academy Award-winning animated short film, here is a supremely witty love story with a twist that reveals profound truths about relationships--both human and mathematical--sure to tickle lovers of all ages.

    King Arthur was a good ruler, but now he needs a good ruler. What would you do if the neighboring kingdom were threatening war? Naturally, you'd call your strongest and bravest knights together to come up with a solution. But when your conference table causes more problems than the threat of your enemy, you need expert help. Enter Sir Cumference, his wife Lady Di of Ameter, and their son Radius. With the help of the carpenter, Geo of Metry, this sharp-minded team designs the perfect table conducive to discussing the perfect plan for peace. The first in Sir Cumference series, SIR CUMFERENCE AND THE FIRST ROUND TABLE makes math fun and accessible for everyone.

    As we dream with him, we are taken further and further into mathematical theory, where ideas eventually take flight, until everyone--from those who fumble over fractions to those who solve complex equations in their heads--winds up marveling at what numbers can do.Hans Magnus Enzensberger is a true polymath, the kind of superb intellectual who loves thinking and marshals all of his charm and wit to share his passions with the world. In The Number Devil, he brings together the surreal logic of Alice in Wonderland and the existential geometry of Flatland with the kind of math everyone would love, if only they had a number devil to teach them.

    Is there enough time? You have 3 shirts and 2 pairs of pants. Can you make 1 good outfit? Then you start to wonder: Why does everything have to be such a problem? Why do 2 apples always have to be added to 5 oranges? Why do 4 kids always have to divide 12 marbles? Why can't you just keep 10 cookies without someone taking 3 away? Why? Because you're the victim of a Math Curse. That's why. But don't despair. This is one girl's story of how that curse can be broken.

    In this fun and accessible guide, McKellar—dubbed a “math superstar” by The New York Times—gives girls and their parents the tools they need to master the math concepts that confuse middle-schoolers most, including fractions, percentages, pre-algebra, and more. The book features hip, real-world examples, step-by-step instruction, and engaging stories of Danica's own childhood struggles in math (and stardom). In addition, borrowing from the style of today's teen magazines, it even includes a Math Horoscope section, Math Personality Quizzes, and Real-Life Testimonials—ultimately revealing why math is easier and cooler than readers think.

    And once readers have tested their theories and completed their experiments, they can feast on the results! From salad dressing to mayonnaise, celery to popcorn, and muffins to meringues, this book uses food to make science accessible to a range of tastes. Also included is essential information on eating healthfully, plus additional resources for further exploration.

    Their creations are some of the most enduring (the windshield wiper) and best loved (the chocolate chip cookie). What inspired these women, and just how did they turn their ideas into realities?Features women inventors Ruth Wakefield, Mary Anderson, Stephanie Kwolek, Bette Nesmith Graham, Patsy O. Sherman, Ann Moore, Grace Murray Hopper, Margaret E. Knight, Jeanne Lee Crews, and Valerie L. Thomas, as well as young inventors ten-year-old Becky Schroeder and eleven-year-old Alexia Abernathy. Illustrated in vibrant collage by Caldecott Honor artist Melissa Sweet.

    Full-color illustrations.

    Never fear, I have a hunchThere is a match for every bunch!"Greg Tang, a lifelong lover of math, shares the techniques that have helped him solve problems in the most creative ways! Harry Briggs's vibrant & inviting illustrations create a perfect environment for these innovative games. So open your mind-and have fun!"This...clever math book uses rhyming couplets... riddles...visual clues to help the reader find new ways to group numbers for quick counting...A winning addition!" --Kirkus

    With tips, how-to's, letters from girls, and facts from the experts, here's straightforward advice you can really use.

    Full of striking, singular art, this collection also contains infographics about relevant topics such as lab equipment, rates of women currently working in STEM fields, and an illustrated scientific glossary. The women profiled include well-known figures like primatologist Jane Goodall, as well as lesser-known pioneers such as Katherine Johnson, the African-American physicist and mathematician who calculated the trajectory of the 1969 Apollo 11 mission to the moon.

    But it's not just a guide to giggling at sleepovers--although that's included, of course! Whether readers consider themselves tomboys, girly-girls, or a little bit of both, this book is every girl's invitation to adventure.

    Filled with Quentin Blake's illustrations plus black and white photos, each spread is exploding with information about the creator of Willie Wonka, James, and Matilda; from his family tree to the exact type of pencil he used to write his stories. Perfect for devoted fans and Dahl newcomers alike, this is a glorimptious guide to the world of Roald Dahl. Roald Dahl (1916-1990) wrote many beloved and award-winning books for children, including Charlie and the Chocolate Factory, James and the Giant Peach, and The Witches.

    How manyCan you master?From sonnets to double dactyls,Odes to limericks—Raschka and Janeczko (and a frisky mule)Make learning the rules of poetrySo much fun!In this splendid and playful volume, acclaimed poetry anthologist Paul B. Janeczko and Caldecott Honor illustrator Chris Raschka present lively examples of twenty-nine poetic forms, demonstrating not only the (sometimes bendable) rules of poetry, but also the spirit that brings these forms so wonderfully to life. Featuring formal poems, some familiar and some never before published, from the likes of Eleanor Farjeon (aubade), X. J. Kennedy (elegy), Ogden Nash (couplet), Liz Rosenberg (pantoum), and William Shakespeare, the sonnet king himself, A KICK IN THE HEAD perfectly illustrates Robert Frost's maxim that poetry without rules is like a tennis match without a net.

    How many stars were in the sky? A million? A billion? Maybe the number was as big as infinity. I started to feel very, very small. How could I even think about something as big as infinity? Uma can't help feeling small when she peers up at the night sky. She begins to wonder about infinity. Is infinity a number that grows forever? Is it an endless racetrack? Could infinity be in an ice cream cone? Uma soon finds that the ways to think about this big idea may just be . . . infinite.