Central Kansas Library System

For the one hundred and twenty-six people aboard the Deepwater Horizon offshore oil rig, April 20, 2010, began like any normal day. Before day's end, the world would bear witness to one of the greatest man-made disasters in United States history. It reveals the brave acts of the men and women who rose to the challenge and risked everything to lead others to safety.

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.