The two spend a hard day looking for each other -- and learning about the meaning of friendship -- before becoming reunited just in time for their much-anticipated annual appearance.

    Nobody notices Candida or appreciates her hard work.But one day Candida accidentally slips a poem she wrote into the sheet music and the girl so often behind the shadows gets recognized for her own talents. Vivaldi really did have an Invisible Orchestra made up of orphan girls he taught to play. This beautiful book pays tribute to their inspiration.

    Learning how flowers grow gives kids beautiful building blocks of science and inquiry.In the launch of a new nonfiction picture book series, Rachel Ignotofsky's distinctive art style and engaging, informative text clearly answers any questions a child (or adult) could have about flowers.

    Paintings by Michael Carroll, coupled with real telescopic images, help readers visualize the facts and ideas presented in the text, such as how light bends, and what a supernova looks like.A BLACK HOLE IS NOT A HOLE is an excellent introduction to an extremely complex scientific concept. Back matter includes a timeline which sums up important findings discussed throughout, while the glossary and index provide a quick point of reference for readers. Children and adults alike will learn a ton of spacey facts in this far-out book that’s sure to excite even the youngest of astrophiles.

    Here are 12 "hypotheses," as well as lists of "what you need," "what to do," and "what happened" that are sure to make young readers laugh out loud as they learn how to conduct science experiments (really!). Jenny Offill and Nancy Carpenter—the ingenious pair that brought you 17 Things I'm Not Allowed to Do Anymore—have outdone themselves in this brilliant and outrageously funny book.

    In 1903, President Theodore Roosevelt joined naturalist John Muir on a trip to Yosemite. Camping by themselves in the uncharted woods, the two men saw sights and held discussions that would ultimately lead to the establishment of our National Parks.

    With lyrical words and vivid illustrations by Caldecott winner Leonard Weisgard, The Important Book shows children just how important everyday objects can be. What is the most important thing about a spoon? The fact that you can eat with it? What about an apple? Or a shoe? This book helps curious preschoolers notice important details about their everyday surroundings, like daisies are white, rain is wet, and a spoon is used for eating.For the important thing about The Important Book is that the book resonates long after it's closed. What's most important about many familiar things—like rain and wind, apples and daisies—is suggested in rhythmic words and vivid pictures. "A perfect book. The text establishes a word game which tiny children will accept with glee," said Kirkus.Chosen as a "Teachers' Top 100 Books for Children" by the American National Education Association."Rekindles the sense of wonder we were born with. True poetry about perceiving the world around us."— Mark Frauenfelder, BoingBoing magazine

    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.