When Claire flies in from Seattle and Lena leaves Los Angeles behind, neither sister knows exactly what to expect when they return to New York.Their mother, Margaret Whitmore, is eighty-five and facing the final chapter of her life. With time growing short, she asks for one simple thing: to spend Mother's Day with her daughters.Over the course of a quiet spring weekend, the three women revisit old memories in the apartment where the sisters grew up and walk the familiar paths of Central Park. Long-forgotten stories surface, old misunderstandings soften, and the bond between two sisters begins to heal.But Margaret has prepared more than just one last weekend together.Through letters, memories, and the small places that shaped their childhood, Claire and Lena begin to understand the gift their mother hoped to leave them; not just a goodbye, but a way forward.The Spring We Said Goodbye is a tender and deeply moving novel about mothers and daughters, forgiveness, and the moments that quietly change our lives forever.