Mysterious Letters is a private investigation into the unsolved mysteries surrounding the Voynich Manuscript. The manuscript is considered to be a “UFO of a book world” as it was written in an unknown language and script, in an unknown location in the 15th century. The book features interviews and essays from various experts in different fields, all pondering the question of what it means to encounter something that remains beyond our comprehension in a world where all information and knowledge seem to be readily available.