About Hilde Østby Hilde Østby is a writer and editor and the author of Encyclopedia of Love and Longing, a novel about unrequited love that was published to critical acclaim in Norway. She has a master’s degree in History of Ideas from the University of Oslo. Books by Hilde Østby Adventures in Memory The Science and Secrets of Remembering and Forgetting by (author) Hilde Østby & Ylva Østby foreword by Sam Kean