Leonardo da Vinci was a gifted painter, talented musician, and dedicated scientist and inventor, designing flying machines, submarines, and even helicopters.  Yet he had a hard time finishing things, a problem anyone can relate to.  Only thirteen paintings are known to be his; as for the illustrated encyclopedia he intended to create, all that he left were thousands of disorganized notebook pages.  Here is an accessible portrait of a fascinating man who lived at a fascinating time—Italy during the Renaissance.

    Discover the incredible story of the search for life on Mars, told from the unique perspective of Curiosity, the Mars Rover sent to explore the red planet.Markus Motum's stylish illustrations and diagrams reveal how a robot travelled 350,000,000 miles to explore a planet where no human has ever been.

    Slowly the bird develops, until one day it cracks through the shell. Safe inside the nest, under the care of its parents, the chick grows stronger. Soon it will learn how to fly and take care of itself. By next spring it will be ready to build its own nest and raise chicks of its own.

    A perfect introduction to mathematical concepts for young readers, written by a Newbery honor-winning author!This colorfully illustrated biography of the Greek philosopher and scientist Eratosthenes, who compiled the first geography book and accurately measured the globe's circumference, is just right for budding mathematicians, scientists, historians, and librarians! Filled with fascinating details about Eratosthenes's world (and in print since 1994), kids are sure to flip through the pages time and again.

    In fact, five of them could fit into the period at the end of this sentence.On a clear, warm Sunday, April 14, 1935, a wild wind whipped up millions upon millions of these specks of dust to form a duster—a savage storm—on America's high southern plains.The sky turned black, sand-filled winds scoured the paint off houses and cars, trains derailed, and electricity coursed through the air. Sand and dirt fell like snow—people got lost in the gloom and suffocated . . . and that was just the beginning.Don Brown brings the Dirty Thirties to life with kinetic, highly saturated, and lively artwork in this graphic novel of one of America's most catastrophic natural events: the Dust Bowl.

    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.