Matt Haig's " The Midnight Library " follows Nora Seed, who, after deciding to end her life, finds herself in a mysterious library between life and death that allows her to explore alternate versions of her existence. Guided by her former librarian, she travels through different lives—including becoming a rock star or glaciologist—to explore themes of regret, mental health, and the realization that the best life is the one you already have. The novel frequently touches on the importance of small things and finding the truest version of oneself, as noted in various quotes throughout the narrative.