April 9, 2020Devon EastlandEarly Printed Books Why do old books use F’s instead of S’s? Read more about Why do old books use F’s instead of S’s? Or, WTſ? It’s a common source of confusion: “I have this book, and it’s really old, and all of the s’s are f’s, so I know it’s really old. It’s called Paradife Loft, by John Milton.”