Some underlines throughout book as seen in pictures. The Midnight Library is a fantasy novel by Matt Haig, published in 2020. The book is about Nora Seed, a music store clerk who is given the chance to live out infinite possible lives after deciding to end her own. The library is located between time and space, and each book contains a different life that could have happened if Nora had made a different decision. The book explores the infinite possibilities of life and the consequences of decisions.