No writer captures the seasons of our lives better than Judy Blume. Now, from the New York Times bestselling author of Wifey and Smart Women, comes an extraordinary novel of reminiscence and awakening--an unforgettable story of two women, two families, and the friendships that shape a lifetime.When Victoria Leonard answers the phone in her Manhattan office, Caitlin's voice catches her by surprise. Vix hasn't talked to her oldest friend in months. Caitlin's news takes her breath away--and Vix is transported back in time, back to the moment she and Caitlin Somers first met, back to the casual betrayals and whispered confessions of their long, complicated friendship, back to the magical island where two friends became summer sisters.Caitlin dazzled Vix from the start, sweeping her into the heart of the unruly Somers family, into a world of privilege, adventure, and sexual daring. Vix's bond with her summer family forever reshapes her ties…