When she meets Charles Babbage, the inventor of the first mechanical computer, Ada understands the machine better than anyone else and writes the world's first computer program in order to demonstrate its capabilities.

    rex.Care to meet a dunkleosteus? An apatosaurus? How about the dragonflyesque meganaura? In a collection that's organized chronologically by epoch and is sure to intrigue everyone from armchair dino enthusiasts to budding paleontologists, David Elliott and Matthew Trueman illuminate some of the most fascinating creatures ever to evolve on the earth. Combining poems both enlightening and artful with illustrations perfect for poring over, this volume ensures fascinating trips back to a time as enthralling and variable as any in our planet's evolutionary history.

    She sets about planting flower seeds in a neglected corner of a bustling city. And then she waits -- through rain and cold and snow. Rose waits, never doubting that the garden she envisions will one day come to be. With a simple narration and lovely, fanciful illustrations, this luminous picture book resonates with readers of all ages. Author-illustrator Peter H. Reynolds dedicates it to the matriarch of the Kennedy family -- herself the namesake of the Rose Kennedy Greenway, a series of gardens, plazas, and tree-lined promenades.

    She is small. Very small. In fact so small that you'd need to look through a microscope to see her. Or you can simply open this book and take Min on an adventure to amazing places she's never seen before—like the icy glaciers of your tooth or the twisted, tangled jungle that is your shirt. The perfect book for anyone who wants to take a closer look at the world.

    Water can be a Thirst quencher Kid drencher Cloud fluffer Fire snuffer Find out about the many roles water plays in this poetic exploration of water throughout the year.

    Dive below the surface and find out what happens under earth and under sea—from early submarines and deep-sea life to burrowing animals and man-made tunnels.

    But not for long!When a David Attenborough-esque narrator explains that turtles are found everywhere except Antarctica, one determined turtle sets out to prove him wrong. After recruiting other non-Antarctic animals along the way--much to the narrator's dismay--the turtle and his adventurous friends travel through fields, forests, and cross an entire ocean to reach their goal. But what exactly do they do once they get there?Perfect for anyone who's ever gone a little too far to prove a point, this nature-documentary-gone-wrong is a gleefully funny lesson in determination and the beauty of having a contingency plan

    Discover the down and dirty secrets of underground creatures in this vibrant picture book from a Caldecott Honor medalist.What young child doesn’t love playing in the dirt? And who hasn’t wondered what goes on in the lives of all the creatures who live underground?     Celebrated Caldecott Honor medalist Denise Fleming applies her signature bold and bright pulp-paper-collage style to a universal childhood topic in this dynamic, rhythmic book that’s just right for reading aloud—and comes complete with a detailed glossary.

    But they quickly realize that they are not the first visitors to the garden today.There's a slimy trail on a leaf in the cucumber patch, and some corn kernels have been pecked off the cob. Not only that, someone has been snacking on the lettuce leaves! Christina and Jeremy follow the clues to discover which birds, animals, and insects have been in their garden.Keep your eyes open and join Christina and Jeremy on a scientific journey in their own backyard!

    A highly regarded author-illustrator of nonfiction for young children has created a science book about the parts of plants that humans find yummy.

    If it's a challenge for these 7,000-pound giants, what's it like for their newborn babies?An infant elephant has precious little time to learn the incredible array of skills that are necessary to keep up, from projecting her voice across a 10-octave range to using the 100,000 muscles in her trunk to stay hydrated. But this giant-to-be has the perfect classroom--a family herd made up of her mother, sisters, cousins, and aunts. With their help and protection, she'll learn how to survive, how to thrive, and how to be an elephant. Award-winning author-illustrator Katherine Roy's How to Be an Elephant delves into the intricate family dynamics at play in a typical African herd. Drawing upon the latest scientific research and Roy's own expedition to Kenya, and brimming with lush watercolor illustrations and detailed diagrams, this book vividly portrays the life and development of an elephant from an uncertain newborn into a majestic adult. As informative as it is beautiful, Roy's unique portrait of an elephant's life will captivate young explorers and animal lovers alike.

    I'm a gradener. I grow happy.Let me show you how. Kiko is a gardener. She takes care of her garden with seeds, soil, water, and sunshine. In Grow Happy, Kiko also demonstrates how she cultivates happiness, just like she does in her garden. Using positive psychology and choice theory, this book shows children that they have the tools to nurture their own happiness and live resiliently. Just as Kiko possesses the resources needed--seeds, soil, water--to build a thriving garden, she also has the tools to nurture her own happiness--including social support, choices, and problem-solving skills. Grounded in principles of positive psychology and choice theory, Grow Happy helps kids understand that they play an important role in cultivating their own happiness using resources at their disposal. Includes a Note to Parents and Caregivers with information on how our choices and paying attention to our bodies and feelings affects happiness.

    One fine spring morning, they decide that it is time to sow the vegetables. Throughout the summer the seeds turn into ripe, juicy vegetables and the time comes for them to harvest their crop. Soon there is just one turnip left at the end of the row. It looks very big -- in fact, it looks gigantic!This hilarious retelling features simple vocabulary and has lots of repetition. It is perfect for reading aloud and will soon have young readers joining in. Niamh Sharkey's quirky illustrations also provide plenty of counting practice for small children.

    A picture book biography of scientist Wangari Maathai, the first African womanand first environmentalistto win a Nobel Peace Prize (in 2004), for her work planting trees in her native Kenya.

    Maxwell Eaton III's The Truth About Hippos is a lighthearted nonfiction picture book, filled with useful facts about hippos that will make you laugh so hard you won’t even realize you’re learning something!