9178aa5b__of_the_Dead___Darksiders_Wiki__How_to_Acquire
[Number] 03 [Location] The Cauldron [Requirements] None [How to Acquire] 
Found in the large open room that has multiple Blue orbs. Beyond the gate at the southeast part of the room, the page is floating near the corner.
The Book of the Dead - Darksiders Wiki
How to Acquire