In this breath-taking debut novel, two worlds--and timelines--collide when ten-year-old Kara discovers mysterious footprints in the snow that lead her to another place entirely, perfect for fans of When You Reach Me and Echo. When mysterious footprints appear in the Stockholm snow, ten-year-old Kara attempts to discover where they've come from and who they belong to. They lead Kara to Rebecca, a thirteen-year-old...