Red Book

The Red Book is a quest item that was added into the LOTR mod in the Beta 20 Labour Day Update. Its name is a reference Bilbo's "Red Book" in the Lord of the Rings.

Crafting
The Red Book is crafted by putting a Book, Red Dye, and a Gold Nugget into the crafting area. If playing singleplayer, it'll also be included in the Starter Chest.

Uses
The Red Book is used in the new questing system. It is a way for you to record your progress in quests. To use, put it in your hotbar and right-click on the book.