Book of Inundation

Book of Inundation is miscellany.

Source
Books of Inundation can be obtained as a drop from the following duties:
 * Eden's Gate: Inundation (Savage)

Uses
Books of Inundation are used to purchase items from the following vendors:
 * Ghul Gul - Amh Araeng
 * Yhal Yal - Eulmore