When Judy Moody gets serious about protecting the environment, her little brother Stink thinks she is overdoing it, but she manages to inspire her third grade class to undertake an award-winning, environment-saving project.

With Earth suffering from out-of-control climate change, fourteen-year-old twins Lila and Max Hartfield are facing a dangerous six-month trip to the Mars colony, where their scientist parents have been for the last six years--but on the last day something goes seriously wrong.

"Greta lives with her brother, Hansel, on the edge of a great forest, a forest in danger of destruction. GreedyGuts, their aunt, doesn't appreciate Hansel and Greta's plans to replant trees and save the forest. In fact, she thinks they're horrible little vegetarians. GreedyGuts doesn't give two hoots about nature. She favors luxury and living it up: eating, shopping, and partying hard. And so she hatches a plan to get rid of the meddling, do-gooder...

"Twelve-year-old twins Ashley and Ryan are tested to the extreme when faced with a powerful avalanche while skiing in Wyoming's Grand Teton mountains. Includes survival tips from the National Avalanche Center and U.S. Forest Service"--Title verso page.