9178aa5b__of_the_Dead___Darksiders_Wiki__How_to_Acquire
[Number] 05 [Location] The Drenchfort [Requirements] None [How to Acquire] 
In the main central chamber of the Drenchfort. Once you enter the room, turn to the right and you’ll see a broken portion of the edge of the balcony. Grab onto the top of the hand hold here and drop down to another hand hold. Wall run passed the wooden peg to reach the Book of the Dead Page.
The Book of the Dead - Darksiders Wiki
How to Acquire