Maria Merian was only a child, but she disagreed. She watched carefully as caterpillars spun themselves cocoons, which opened to reveal summer birds, or butterflies and moths. Maria studied the whole life cycle of the summer birds, and documented what she learned in vibrant paintings.This is the story of one young girl who took the time to observe and learn, and in so doing disproved a theory that went all the way back to ancient Greece.

    Before spring comes, the trees are dark sticks, the grass is brown, and the ground is covered in snow. But if you wait, leaves unfurl and flowers blossom, the grass turns green, and the mounds of snow shrink and shrink. Spring brings baby birds, sprouting seeds, rain and mud, and puddles. You can feel it and smell it and hear it—and you can read it!Kevin Henkes uses striking imagery, repetition, and alliteration to introduce basic concepts of language and the changing of the seasons. And Laura Dronzek’s gorgeous, lush paintings show the transformation from quiet, cold winter to the joyful newborn spring. Watch the world transform when spring comes!

    In the following days, more topiaries appear, and each one is more beautiful than the last. Soon, William’s gray little town is full of color and life. And though the mysterious night gardener disappears as suddenly as he appeared, William—and his town—are changed forever.

    She gets the chance to prove herself and find what she's good at when puppy Ooh-la-la goes missing.

    Once, lightships anchored on waters across America, on the oceans and in the Great Lakes, floating where lighthouses could not be built. Smaller than most ships, but more steadfast, too, they held their spots, through calm and storm, to guide sailors toward safe waters. In these pages one lightship and her crew (and cat) again hold their place. The crew goes again from bow to stern, from keel to mast, to run their engines, shine their lights, and sound their horns. They run the small ship that guides the large ships. They are the crew (and cat) that work to make the ocean safe, that hold their place, so other ships can sail. Come aboard!

    . . for a small mouse. A new invention—the mechanical mousetrap—has caused all the mice but one to flee to America, the land of the free. But with cats guarding the steamships, trans-Atlantic crossings are no longer safe. In the bleakest of places . . . the one remaining mouse has a brilliant idea. He must learn to fly!Debut illustrator Torben Kuhlmann’s inventive tale and stunning illustrations will capture the imagination of readers—young and old—with the death-defying feats of this courageous young mouse

    There she initiates a gradual transformation, brightening the bakery and bringing smiles to customers' faces with the flowers she grows. But it is in a secret place that Lydia Grace works on her masterpiece, which she hopes will be powerful enough to make even Uncle Jim smile. Colored by a Depression-era setting, The Gardener introduces readers to a winsome young heroine, whose generosity will reward all who meet her. The Gardener is a 1997 New York Times Book Review Notable Children's Book of the Year and a 1998 Caldecott Honor Book.

    Barnum, hoping that he would do something extraordinary--and he did! As a paleonotologist for the American Museum of Natural History, he discovered the first documented skeleton of the Tyrannosaurus Rex, as well as most of the other dinosaurs on display there today.An appealing and fun picture book biography, with zany and stunning illustrations by Boris Kulikov, BARNUM'S BONES captures the spirit of this remarkable man.

    Though he was a scientist by profession, he was an explorer at heart. While journeying around South America for the first time aboard a ninety-foot-long ship named the Beagle, Charles collected insets, dug up bones, galloped with gauchos, encountered volcanoes and earthquakes, and even ate armadillo for breakfast! The discoveries he made during this adventure would later inspire ideas that changed how we see the world.   Complete with mesmerizing map work that charts Darwin's thrilling five-year voyage, as well as "Fun Facts" and more, Charles Darwin's Around-the-World Adventure captures the beauty and mystery of nature with wide-eyed wonder.

    Hedgehog sniffs for mushrooms, Skunk nibbles at berries, Frog croaks, and Cricket sings. A full moon rises and Little Owl can't understand why anyone would want to miss it. Could the daytime be nearly as wonderful? Mama Owl begins to describe it to him, but as the sun comes up, Little Owl falls fast asleep.Putting a twist on the bedtime book, Little Owl's Night is sure to comfort any child with a curiosity about the night.

    When the two agree to meet one evening in Fitchburg, which is thirty miles away, each decides to get there in his own way and have surprisingly different days.

    Marco the fox has a lot of questions, like: how deep does the sun go when it sinks into the sea? And why do birds have such lizardy feet? But none of the other foxes share his curiosity. So when a magnificent ship adorned with antlers and with a deer for a captain arrives at the dock looking for a crew, Marco volunteers, hoping to find foxes who are as inquisitive as he is that can answer his questions. The crew finds adventure and intrigue on their journey. And, at last, Marco finds the answer to his most important question of all: What’s the best way to find a friend you can talk to?

    That, and eat eggs. But when his hard-boiled goose eggs turn out to be real, live goslings, he starts to lose his appetite. And even worse, the goslings are convinced he's their mother. Bruce tries to get the geese to go south, but he can't seem to rid himself of his new companions. What's a bear to do?

    Over 7,000 years ago Native Americans settled on the Nashua River, a beautiful and leafy valley. But the industrialization of nearby areas would lead to the deterioration of natural habitats. Each double spread examines brief periods of time when the river and surrounding areas teemed with wildlife. Lynne Cherry’s contrasting illustrations of the lush valley and the eventual polluted river deliver an astonishing look at our dramatic need for conservation efforts. This pictorial history of the river, edging towards a hopeful scene of modern-day descendants of both Native Americans and European settlers who come together to combat pollution and restore the beauty of the river, is an intelligent tale that shows young readers how they can do their part in taking care of the world around them, one river at a time.

    They dig, they plant, they play, they wait . . . and wait . . . until at last, the brown becomes a more hopeful shade of brown, a sign that spring may finally be on its way. Julie Fogliano's tender story of anticipation is brought to life by the distinctive illustrations Erin E. Stead, recipient of the 2011 Caldecott Medal.