Mike's discovery caused an uproar. Astronomers around the globe asked: What is a planet anyway? As a kid, Mike Brown gazed at his poster of the nine planets and wondered: Is there more out there? The hunt was on. This nonfiction picture book tells the story of astronomer Mike Brown, from his childhood, to his growing curiosity about our solar system, to his amazing discoveries....

Mount St. Helens is erupting as you read this! The volcano is pushing up a ridge of thick lava, rebuilding the peak lost in the cataclysmic 1980 eruption. But when the current, ongoing eruption started in 2004 no one knew what would happen: Would Mount St. Helens blow?

Based on extensive interviews with USGS scientists, Will it Blow? combines cutting-edge volcano science with the suspense of a great detective story.

You'll get the lowdown on the violent history of the wily suspect: Mount St. Helens. Then real USGS scientists brief you on five clues they use to predict eruptions. Throughout, you get a shot at sifting through evidence like rumbling earthquakes, smelly gases, and strange bulges on the Earth's surface to solve real-life cases. Can you crack The Mystery of the Earthquake Swarm? The Mystery of the Missing Gas? The Mystery of the Boiling Glacier?

This lively illustrated book also includes cool tidbits on real gadgets and gizmos scientists use, such as Singing Seismographs, Volcanic Videogames, the Spider, and JAWS.

Try fun hands-on activities like Human Seismograph, Soda Bottle Volcano, Build A Bulge, and Lickable Lava. The cutting-edge science of volcanology has never been more fun!...

When Liza's mother takes away her beloved crayons, her world suddenly goes gray. How does the budding artist repond? She squirts her toothpaste angrily and stomps through mud puddles. Through these acts, Liza inadvertently creates art-and eventually discovers color in the world around her.Liza loved her crayons. She treasured turquoise, adored apricot, and flipped over fuchsia....