A mother-daughter story of an adventure-filled search for the amazing aurora borealis. Alix and her mom are fascinated by the nighttime light displays in the sky known as auroras, or northern lights, but being able to see them in person proves to be more challenging than expected. Where do they appear? When? How could Alix and her mom get there to see the auroras before they disappear from the sky? Inspired by the authors’ own experiences, A Search for the Northern Lights brings the reader along on a fascinating journey as Alix and her mom eagerly learn what auroras are and how to find them. The book also includes science and more information on auroras, plus a helpful guide for those hoping to catch their own glimpse of the incredible northern lights.

Every kid dreams of having super powers--Max discovers he really has them But will he be able to solve the mystery behind Marsh Creek?
"Muddy Max takes that eternal struggle between kids and parents---whether to play in or stay out of mud puddles---and turns it into an epic tale full of secrets and superpowers and one very important lesson: Don't eat mud. It's earthworm poop."
--Matthew Holm, co-creator of "Babymouse" and "Squish"
"What happens when genius-writer Elizabeth Rusch and super-artist Mike LawrenceA get together? A book you won't be able to put down---or wash off Not only does Muddy Max ooze adventure, it can also teach all of us somethingA about bravery, science, and earthworm poop."
--Bart King, author of "The Big Book of Superheroes" and "The Big Book of Gross Stuff"
Max may be the cleanest middle-school kid in the world--his neat-freak parents make certain of that. But what's behind their mysterious fear of mud? When Max finds himself face-down in a murky puddle, muddy from head to toe, he discovers something amazing: Mud gives him super powers. But there's more going on in Marsh Creek--and in his family--than he could ever imagine. Follow Muddy Max and his friends as they dig through the dirt to solve the mystery of Marsh Creek.

On June 10, 2003, a little rover named Spirit blasted off on a rocket headed for Mars. On July 7, 2003, a twin rover named Opportunity soared through the solar system with the same mission: to find out if Mars ever had water that could have supported life. A thrilling addition to the acclaimed Scientists in the Field series, The Mighty Mars Rovers tells the greatest space robot adventure of all time through the eyes--and heart--of Steven Squyres, professor of astronomy at Cornell University and lead scientist on the mission.

This suspenseful page-turner captures the hair-raising human emotions felt during the adventures with two tough rovers.

Meet Flo, a glacier, as she shows you what the life of a glacier is like in this picture book filled with fun facts, from what glaciers are and how they’re formed to what creatures live there, and more. Glaciers exist on every continent on earth, growing, spreading, and shrinking over thousands of years. But what are they, and how are they formed? Glacier on the Move tells the story of a glacier named Flo and her slow-motion race to the sea, from the edge of an ice field and down steep cliffs, to muscling her way around mountains, and stretching into a valley. With the help of some iceworms in the margins, Flo reveals how glaciers move, change shape, and provide for the surrounding world and animals. Blending fascinating science facts with dynamic illustrations, Glacier on the Move introduces young readers to glacial history and science in a captivating and unique way.