From the back cover:
The Book of Knights is a complete edition of King Arthur Pendragon written to introduce you to the world of epic adventure in legendary Britain. Pendragon's unique system of Traits and Passions creates dramatic personalities and takes roleplaying to new heights.
Enter the Golden Age of Knighthood including all you need for character generation, combat and adventure. Create your own heraldric crest! Perform brave deeds! Seek the Holy Grail, or one of the Thirteen Treasures of Britain! Earn a seat at the Round Table! A lifetime of Adventure, combat, glory, honor and chivalry await!