He was such a daydreamer that people called him a blockhead.When Leonardo grew up and traveled the world, he was inspired by the numbers used in different countries. Then he realized that many things in nature, from the number of petals on a flower to the spiral of a nautilus shell, seem to follow a certain pattern. The boy who was once teased for being a blockhead had discovered what came to be known as the Fibonacci Sequence!

    If you had a beaver's, you'd have orange teeth! And if you had a naked mole rat's set of teeth, you could move each one separately, like chopsticks! The animal kingdom has lots of cool teeth, but yours are pretty awesome, too!

    even a small sample begins to give you the idea that this is a math book unlike any other. Ranging freely from exponents to light-years to numbers found in nature, this smorgasbord of math concepts and trivia makes a perfect classroom companion or gift book for the budding young mathematician at home. Even the most reluctant math student will be drawn in by the author's trademark wit, Marissa Moss's quirky illustrations and funny captions, and the answers revealed in W is for " When are we ever gonna use this stuff, anyway?" Download the G is for Googol Teacher's Guide(300K)

    POTATO CHIPS were first cooked by a chef who was furious when a customer complained that his fried potatoes weren't thin enough. Coca-Cola, Silly Putty, and X rays have fascinating stories behind them too! Their unusual tales, and many more, along with hilarious cartoons and weird, amazing facts, make up this fun-filled book about everyday items that had surprisingly haphazard beginnings.And don't miss Eat Your Words about the fascinating language of food!"A splendid book that is as informative as it is entertaining . . . a gem." --Booklist, Starred Review

    The Great Wall of China is Angela Fisher's brief history of the Great Wall.Angela FIsher's The Great Wall is an "awe-inspiring, impressive, black and gray illustrations set the tone for this history of the building of the Great Wall of China." (School Library Journal)

    Follow Jane from her childhood in London watching a robin on her windowsill, to her years in the African forests of Gombe, Tanzania, invited by brilliant scientist Louis Leakey to observe chimps, to her worldwide crusade to save these primates who are now in danger of extinction, and their habitat. Young animal lovers and Winter's many fans will welcome this fascinating and moving portrait of an extraordinary person and the animals to whom she has dedicated her life.The Watcher was named a Best Book of the Year by the Boston Globe, Kirkus Reviews, Booklist, and the Bank Street College of Education.

    His planet status was stripped away, leaving him lost and confused. Poor Pluto! On his quest to find a place where he belongs, he talks to comets, asteroids, and meteoroids. He doesn't fit it anywhere! But when Pluto is about to give up, he runs into a dwarf planet and finally finds his place in the solar system. This feel-good picture book combines a popular science topic with character education themes of self discovery, acceptance, and friendship. It has bonus material in the back matter to support curriculum.

    Her unique sense of fashion, her grace, and, most important, her spirit made her beloved by generations. But her life offscreen was even more luminous. As a little girl growing up in Nazi-occupied Europe, she learned early on that true kindness is the greatest measure of a person—and it was a lesson she embodied as she became one of the first actresses to use her celebrity to shine a light on the impoverished children of the world through her work with UNICEF.This is Audrey Hepburn as a little girl, an actress, an icon, an inspiration; this is Audrey just being Audrey.

    A cumulative rhyme relating how Ki-pat brought rain to the drought-stricken Kapiti Plain. Verna Aardema has brought the original story closer to the English nursery rhyme by putting in a cumulative refrain and giving the tale the rhythm of “The House That Jack Built.”

    This collector's favorite has been redesigned and now features a lavish, eye-catching jacket with silver foil. The interior still includes all of the well-loved illustrations and poems from Barker's eight original books, as well as a selection of fairy rhymes.

    Follow lots of busy people working through their busy days. With plenty to spot on every page, this book is a timeless classic, written and illustrated by the author.

    George and Small, the Caldecott Medal-winning team who created So You Want to Be President? , are back with another spirited and witty look at history-this time focusing on the inventors and inventions who have given us lightbulbs, automobiles, and all the other things that keep the world humming. So You Want to Be an Inventor? features some of the world's best-known inventors-Thomas Edison, Benjamin Franklin, Eli Whitney-as well as lesser-known geniuses like Georges de Mestral (inventor of Velcro), Wilhelm Roentgen (inventor of X rays), and Hedy Lamarr (inventor of a system that became the basis for satellite communication-who knew?). Whether you're a dreamer or a loner, a copycat or a daredevil, this book might just inspire readers to invent something that could change the world!

    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

    Designed to resemble popular networking Web sites, the pages of this book feature "homepages" for each of the chemical elements -- complete with witty and informative profiles written by the elements themselves, plus a personally chosen picture.

    Rascal is only a baby when Sterling brings him home, but soon the two are best friends, doing everything together--until the spring day when everything suddenly changes.Rascal is a heartwarming boyhood memoir that continues to find its way into the hearts of readers fifty years later. This special anniversary edition includes the book's classic illustrations restored to their original splendor, as well as a letter from the author's daughter, and material from the illustrator's personal collection."Everyone should knock off work, sit beneath the nearest tree, and enjoy Rascal from cover to cover."—Chicago Tribune