Mystery-solving duo Shelby & Watts are back on the trail! They're saving the environment, one case at a time.Environmental mystery busters Shelby and Watts are fresh off of their first successful case when they get another call for help. Violet the bear has woken up early from her hibernation, long before she was expecting to. Her son, Theodore, is still fast asleep, and she needs Shelby and Watts's help to figure out what woke her...before it wakes Theodore up, too!In this follow-up to Tide Pool Troubles, our two environmental detectives uncover the larger issue underlying Violet's early start to spring: climate change. With accessible language and tips for what readers can do in the face of environmental change, this is a gentle introduction to one of today's most pressing issues.