d0553e13_ations___Assassin_s_Creed_Wiki__Description
[Artefact] Ancient book [Hint 1] An Artefact is located in a Library. [Hint 2] The Library is located to the North of a Templar's camp. [Hint 3] The Library is located between two Stables. [Reward] Artwork - "Yusuf" [Description] 
On the first page I can decipher the words: "Nothing is true, everything is permitted", but the name of the author has worn away.
Assassin's Creed: Revelations - Path to Revelations - Assassin's Creed Wiki
Description