There is nothing extraordinary about Tucker O’Shay’s dreams. Go to college. Become president. Fall in love. And pretend like he has enough time to get it all done. Sixteen-year-old Sarah Miller doesn’t expect anything out of the ordinary when she begins her first day at the one-room-school house in her new hometown of Rocky Knob. But when she meets seventeen-year-old Tucker O’Shay—the boy with the fatal illness who volunteers to tutor her in algebra—she finds herself swept up in a friendship that changes the way she sees the world and a love that changes her life.