What You are Looking for is in the Library by Michiko Aoyama

A heartwarming, inspiring novel about the quiet power of books, the kindness of strangers, and the unexpected ways our lives can change.
Set in a cozy Tokyo library, this bestselling Japanese novel follows five individuals at different crossroads in their lives. Each one encounters Sayuri Komachi, a mysterious librarian who offers more than just reading recommendations — she hands them just the right book to guide them toward the answers they didn’t know they were seeking.