The Mystery of the Icy Paw Prints

Ethan and Ella are back in the USA, though theyre still far from home. While visiting Alaska, the twins see glaciers and grizzlies, kayak through fjords, and learn about polar bears! They also meet some native people who tell them that lately their food supplies have been going missing. And when Ethan and Ella spot some nearby paw prints, they wonder who the paws belong toand if they might belong to the thief responsible for stealing all the food!