"The Midnight Library" is a novel by British author Matt Haig that explores the themes of regret, hope, and the power of choice. It was published in 2020 and quickly became a bestseller.

The story follows the character of Nora Seed, a thirty-something woman who is feeling lost and unfulfilled in life. She has recently lost her job, her cat died, and she feels disconnected from her family and friends. One night, she decides to take her own life.

Instead of dying, Nora finds herself in the Midnight Library, a place between life and death, where she meets Mrs. Elm, her former school librarian. Mrs. Elm explains that the books on the shelves in the library are all the different versions of Nora's life that she could have lived had she made different choices.

Nora is given the opportunity to try out different lives, each represented by a book on the shelves of the library. She tries on different careers, hobbies, and relationships, but each one ultimately feels unsatisfying in some way. She continues to question whether her life has been worthwhile or if it's too late to make any changes.

As Nora navigates her way through the different lives, she starts to understand that there is no perfect life and that every choice she makes comes with consequences. She also learns that the most important thing in life is to be true to oneself and to follow one's passions and interests.

As she moves through the Midnight Library, Nora begins to discover what really matters to her and what makes her truly happy. She realizes that there are still possibilities for her life and that it's never too late to start over.

"The Midnight Library" is a poignant and thought-provoking novel that encourages readers to reflect on their own lives and the choices they've made. It's a story of hope and redemption, reminding us that it's never too late to change course and pursue the life we truly desire.