All it takes is one:One coral gamete to start a colonyOne person to make a differenceOne idea to change the worldThe ongoing efforts to save and rebuild the world's coral reefs--with hammer and glue, and grafts of newly grown coral--are the living legacy of Ken Nedimyer.Kate Messner and Matthew Forsythe tell the true story of the coral restoration pioneer in this brilliant tribute to the wonders of nature and the power of human ingenuity.

    But these and many other animals are in danger of disappearing altogether, joining the dodo, the marsupial wolf, the great auk, and countless other animals we will never see again. Using the experiences of a few endangered species as examples, Martin Jenkins highlights the ways human behavior can either threaten or conserve the amazing animals that share our planet. Vicky White’s stunning portraits of rare creatures offer a glimpse of nature’s grace and beauty — and give us a powerful reason to preserve it.

    And a huge fold-out chart compares the dinos to each other, from the tiniest Microraptor to Argentinosaurus, the largest animal to ever walk the land.*An NPR Best Book of 2013*

    But in the four hundred years since European explorers first arrived in the Meadowlands, people have dammed up, drained, built over, and polluted this formerly vibrant ecosystem—and all but destroyed it. Still, signs of life remain; under bridges, on the edges of parking lots, and beside train tracks. Slowly but surely, with help from activist groups, government organizations, and ordinary people, the resilient creatures of the Meadowlands are making a comeback, and the wetlands are recovering.

    Taught to think big by her father who was a mapmaker, Marie wanted to do something no one had ever done before: map the bottom of the Atlantic Ocean. Was it even possible? Not sure if she would succeed, Marie decided to give it a try.Throughout history, others had tried and failed to measure the depths of the oceans. Sailors lowered weighted ropes to take measurements. Even today, scientists are trying to measure the depth by using echo sounder machines to track how long it would take a sound wave sent from a ship to the sea floor to come back. But for Marie, it was like piecing together an immense jigsaw puzzle.Despite past failures and challenges—sometimes Marie would be turned away from a ship because having a woman on board was “bad luck”—Marie was determined to succeed. And she did, becoming the first person to chart the ocean floor, helping us better understand the planet we call home.

    They plop. They patter. They spatter. And in the process, they make the whole world feel fresh and new and clean. In this gorgeously photo-illustrated nonfiction picture book, celebrated author April Pulley Sayre sheds new light on the wonders of rain, from the beauty of a raindrop balanced on a leaf to the amazing, never-ending water cycle that keeps our planet in perfect ecological balance.

    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.

    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.

    Yet he grows up to be a successful player, playing with Babe Ruth and Lou Gehrig! When the Japanese attack Pearl Harbor in 1941, Zeni and his family are sent to one of ten internment camps where more than 110,000 people of Japanese ancestry are imprisoned without trials. Zeni brings the game of baseball to the camp, along with a sense of hope.This true story, set in a Japanese internment camp during World War II, introduces children to a little-discussed part of American history through Marissa Moss’s rich text and Yuko Shimizu’s beautiful illustrations. The book includes author and illustrator notes, archival photographs, and a bibliography.

    But do you know about the mathematical genius who made sure that Apollo 13 returned safely home?As a child, Katherine Johnson loved to count. She counted the steps on the road, the number of dishes and spoons she washed in the kitchen sink, everything! Boundless, curious, and excited by calculations, young Katherine longed to know as much as she could about math, about the universe.From Katherine's early beginnings as a gifted student to her heroic accomplishments as a prominent mathematician at NASA, this is the story of a groundbreaking American woman who not only calculated the course of moon landings but, in turn, saved lives and made enormous contributions to history.

    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.

    These trusting, flightless, and beautiful birds—the largest and most unusual parrots on earth—have suffered devastating population loss.Now, on an island refuge with the last of the species, New Zealand’s National Kakapo Recovery Team is working to restore the kakapo population. With the help of fourteen humans who share a single hut and a passion for saving these odd ground-dwelling birds, the kakapo are making a comeback in New Zealand.Follow intrepid animal lovers Sy Montgomery and Nic Bishop on a ten-day excursion to witness the exciting events in the life of the kakapo.

    New York City in the 1860s was a mess: crowded, disgusting, filled with garbage. You see, way back in 1860, there were no subways, just cobblestone streets. That is, until Alfred Ely Beach had the idea for a fan-powered train that would travel underground. On February 26, 1870, after fifty-eight days of drilling and painting and plastering, Beach unveiled his masterpiece—and throngs of visitors took turns swooshing down the track. The Secret Subway will wow readers, just as Beach’s underground train wowed riders over a century ago.

    a gleeful celebration." —Kirkus Reviews, starred reviewTheodore Roosevelt had a small problem. Her name was Alice. Alice Lee Roosevelt was hungry to go places, meet people, do things. Father called it "running riot." Alice called it "eating up the world." Whether she was entertaining important White House visitors with her pet snake or traveling the globe, Alice bucked convention and turned every new experience into an adventure!Brimming with affection and wit, this spirited biography gives readers a peek at family life inside the White House. Prose and pictures spring, gambol, and two-step across the pages to celebrate a maverick American heroine.

    When other elephants moved in and developed close friendships, only Tarra remained independent? until the day she met a stray mixed-breed dog named Bella.It was love at first sight as this unlikely duo became inseparable. They ate together, slept together, and even understood each other's language. And when Bella suffered a severe spinal injury, Tarra stayed by her side and was there for her until Bella regained her health.Brilliant color photographs of Tarra and Bella at home in the Elephant Sanctuary deftly illustrate this inspiring story of companionship, and an informative note about the Sanctuary provides a great resource for parents and teachers.