Letters to the Lost Book by Brigid Kemmerer

Letters to the Lost by Brigid Kemmerer is a contemporary young adult novel that follows the story of Juliet, a grieving teenager who writes letters to her late mother at her mother's grave. When the letters are unexpectedly answered by a boy named Declan, who is struggling with his own personal demons, the two begin an anonymous correspondence. As their relationship develops through their letters, they help each other heal from their pasts, confronting their pain and finding comfort in unexpected ways. Themes of loss, redemption, and personal growth are central to the story.