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.

    We can't see air moving, though we can watch it push clouds across the sky, or shake the leaves of a tree. We call moving air the wind. In this enlarged edition, find out about the wind - what causes it, how it can be used to help us, and how it affects the weather.

    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!

    We are all dancing sunlight. The book is co-authored by award-winning M.I.T. professor Penny Chisholm, a leading expert on ocean science. A perfect addition to any library!

    Explore the functions of levers, wheels, and pulleys, and learn how to lift a lion, pull a panda, and deliver a basket of bananas to a baboon birthday party!

    Quirky full-color illustrations portray dozens of birds chatting about their distinctive characteristics, including color, shape, plumage, and beak and foot types, while tongue-in-cheek cartoons feature banter between birds, characters, and the reader ("Here I am, the noble spruce grouse. In a spruce grove. Eatin’ some spruce. Yep."). Interactive and enjoyable tips bring an age-old hobby to new life for the next generation of bird-watchers.

    Beloved children's book author Stacy McAnulty helps Earth tell her story, and award-winning illustrator David Litchfield brings the words to life. The book includes back matter with even more interesting tidbits.

    He founded Industrial Light and Magic, which transformed special sound and visual effects throughout the Hollywood film industry. He is best known, of course, as the creator of the Star Wars movie, television, gaming, toy and merchandise empire, as well as the archeologist-adventure series Indiana Jones.  Discover the man behind the magic in Who Is George Lucas?

    Travel with author-illustrator Thomas Locker and follow our planet's most precious resource--water--on its daily journey through our world.

    The reason for a flower is to manufacture seeds, but Ruth Heller shares a lot more about parts of plants and their functions in her trademark rhythmic style.

    While his mate is off swimming in the ocean and catching loads of fish, he stands around in the freezing cold with an egg on his feet for two whole months, keeping it warm and waiting for it to hatch. This charming, oversize picture book is full of fabulous facts about nature’s most devoted dad.

    In this playful introduction to maps and geography, step by simple step, a young girl shows readers herself on a map of her room, her room on the map of her house, her house on the map of her street--all the way to her country on a map of the world. Once the reader is familiar with the maps, she demonstrates how readers can find their own country, state, and town--all the way back to their room--on each colorful map. Easy-to-read text, bright artwork, and charming details give children a lot to search for and will have them eager to help navigate on the next family vacation.  From the Hardcover Library Binding edition.

    Photographed against white backgrounds, their colors, shapes, textures, and seeming personalities shine. Whimsical but educational narratives accompanying each animal highlight fascinating natural history information: a bush katydid explains her bubblegum-pink color, a poetic opossum opines upon her often-shortened name, and a far-from-modest black swallowtail butterfly lets readers in on her secret for avoiding predators. Back matter includes a visual index, additional animal facts, a two-page life-size spread of silhouettes, and a full glossary. With such stunning photography, you’ll never see nature the same way again!

    Harvey fireboat was the largest, fastest, shiniest fireboatof its time, but by 1995, the city didn't need old fireboats anymore. So the Harvey retired, until a group of friends decided to save it from the scrap heap. Then, one sunny September day in 2001, something so horrible happened that the whole world shook. And a call came from the fire department, asking if the Harvey could battle the roaring flames. In this inspiring true story, Maira Kalman brings a New York City icon to life and proves that old heroes never die.