But it doesn't really. The moon revolves around the Earth. It takes about four weeks to make the journey, and as it travels round we can only see certain parts of it. Try the simple experiment described inside using an orange, a pencil, and a flashlight, and you'll understand why the moon seems to change.

    A funny, entertaining introduction to Ben Franklin and his many inventions, including the story of how he created the "magic square." A magic square is a box of nine numbers arranged so that any line of three numbers adds up to the same number, including on the diagonal! Teachers and kids will love finding out about this popular teaching tool that is still used in elementary schools today!

    When five little monkeys ask for something to do, cleaning the house for Grandma Bessie's visit isn't exactly what they had in mind. But leave it to those mischievous monkeys to find a way to make housework fun . . . and messy! Featuring Eileen Christelow's irresistible art in a classic book about everyone's favorite bestselling monkeys.

    Here are classics such as Madeline and Curious George; contemporary bestsellers such as Guess How Much I Love You and The Stinky Cheese Man; Caldecott Medal winners such as Make Way for Ducklings and Where the Wild Things Are; and family favorites such as Goodnight Moon, The Sneetches, Winnie-the-Pooh, and Alexander & The Terrible, No Good Very Bad Day, soon to be a motion picture. The selections range from concept books and wordless books to picture books and short read-aloud stories, and represent the complete array of childhood themes and reading needs: ABCs, number and color books, stories about going to bed and going to school; tales about growing up, siblings, parents, and grandparents; animal stories, fantasies; fables; magical stories; stories about everyday life--and more. This beautiful edition includes a recommended list of books published in the time since this anthology's original compilation, including Caldecott Honors Don't Let the Pigeon Drive the Bus! and Olivia, with descriptive annotations intended to guide parents to these new books and new voices of the 21st century. Also included are an introduction from editor Janet Schulman, capsule biographies of the 62 writers and artists represented in the collection, color-coded running heads indicating age levels, and indexes. As a gift, a keepsake, and a companion in a child's first steps toward a lifelong love of reading, The 20th Century Children's Book Treasury belongs in every family's bookcase.

    Geek Mom: Projects, Tips, and Adventures for Moms and Their 21st-Century Families explores the many fun and interesting ways that digital-age parents and kids can get their geek on together. Imaginative ideas for all ages and budgets include thrifty Halloween costumes, homemade lava lamps, hobbit feasts, and magical role-playing games. There are even projects for moms to try when they have a few precious moments alone. With six sections spanning everything from home-science experiments to superheroes, this comprehensive handbook from the editors of Wired.com’s popular GeekMom blog is packed with ideas guaranteed to inspire a love of learning and discovery. Along the way, parents will also find important tips on topics such as determining safe online communities for children, organizing a home learning center, and encouraging girls to love science. Being geeky is all about exploring the world with endless curiosity. Geek Mom is your invitation to introducing the same sense of wonder and imagination to the next generation.

    It also contains stories that are funny or just plain silly so kids will know that life's challenges are balanced with joy. Written by kids themselves and adults who haven't forgotten what it's like to be a kid.