The Book of Lore

The Book of Lore comes with Ultima V. It is 54 pages long. In-game, many sources are the authors of the book, and it is often mentioned in-game. In real-life, ??? (sadly unknown to me) has written the book.

The following topics are part of the book:
 * History of Britannia
 * Terrain
 * Government
 * Shops
 * Travelling guide
 * The classes
 * Transportation
 * Cosmology
 * Runescript
 * Music
 * Combat
 * Weapons and armour
 * Bestiary
 * Virtues
 * Magic and all its topics
 * Ethics of Blackthorn

Since no one author has "written" the Book of Lore, it reads very much like a real guide for Britannia, which is very good work by the writers. Also it is one of the most versatile of the books, with many topics of different nature. Also, a lot of its topics were never heard of again.