(when wrapped) The Missives of Sable, wrapped within the Shroud of Omnission.
Being arrived most recently, it was discovered by my master already a most peculiar trophy within one of the fallen fortresses of these godless demons. It is a tome, bound in a leather or shide that even our learned men do not recognize. It will not open, despite our strongest efforts. What secrets do the heathens seal within such a text?
(The rest of the book details the journeys of Templar Sable, during some martial campaign in a strange desert kingdom)