Fear and Trembling
The fifth book to the left is "Fear and Trembling/The Sickness Unto Death."
Fear and Trembling was a philosophical work by Kierkegaard which was sometimes paired with The Sickness Unto Death in a book.
In 2399, this was one of the books in Cristóbal Rios' library in his quarters aboard La Sirena. (PIC: "Broken Pieces")
Fear and Trembling (Frygt og Bæven) was published in 1843.