In the twenty-second century, a sun shift has made it impossible for mammals to survive in the daylight, and ten-year-old Elvie and her caretaker, Flora, are studying the migration route of monarch butterflies along what used to be the western coast of the United States, hoping that something in the butterflies wing scales can be used to protect people from the sun and save humanity from extinction.

Illustrations and easy-to-read text in English and Spanish follow monarch butterflies on their journey from Canada to Mexico. Includes author's note on how to help protect monarch butterflies.

In this title, early fluent readers follow Miles the monarch as he changes from caterpillar to butterfly and then heads out on a long migration journey. Read along as Miles flies to Mexico for winter, finds nectar to eat, and eventually heads north in the spring to mate. Vibrant illustrations and carefully leveled text will engage young readers in a supportive educational fiction reading experience. Children can learn more about monarch butterflies...