A mesmerizingly powerful debut novel about the ways in which past choices can irrevocably define the present—and the bittersweet confrontation of what might have been1962: It may be the Swinging Sixties in New York, but in Denver it's different: being a single gal over thirty in this city is almost bohemian. Still, thirty-eight-year-old Kitty Miller has come to terms with her unconventional single life. She was involved, once—with a doctor named Kevin—but when things didn't work out the way she had hoped, she decided to chart her own path. Now she dedicates herself to the bookstore she runs with her best friend, Frieda, returning home each evening to her cozy apartment. Without a husband expecting dinner, she can enjoy last-minute drinks after work with her friends; without children who need to get ready for school, she can stay up all night reading with her beloved cat, Aslan, by her side.Then the dreams begin.1963: Katharyn Andersson is married to Lars, the love of her life. They live in a picture-perfect home in a suburban area of Denver, close to their circle of friends. It's the ideal place in which to raise their children. Katharyn's world is exactly what Kitty once believed she wanted . . . but it exists only when she sleeps.At first, Kitty enjoys her nighttime forays into this alternate world. Even though there is no Frieda, no bookstore, no other familiar face, Kitty becomes increasingly reluctant to open her eyes and abandon Katharyn's alluring life.But with each visit to her dreamworld, it grows more real. As the lines between the two worlds begin to blur, Kitty faces an uncertain future. What price must she pay to stayWhat is the cost of letting go?