BOOK X CHAPTER I. How Sir Tristram jousted, and smote down King Arthur, because he told him not the cause why he bare that shield. CHAPTER II. How Sir Tristram saved Sir Palomides' life, and how they promised to fight together within a fortnight. CHAPTER III CHAPTER IV. How Sir Tristram smote down Sir Sagramore le Desirous and Sir Dodinas le Savage. CHAPTER V. How Sir Tristram met at the peron with Sir Launcelot, and how they fought together unknown. CHAPTER VI. How Sir Launcelot brought Sir Tristram to the court, and of the great joy that the king and other made for the coming of Sir Tristram. CHAPTER VII. How for the despite of Sir Tristram King Mark came with two knights into England, and how he slew one of the knights. CHAPTER VIII. How King Mark came to a fountain where he found Sir Lamorak complaining for the love of King Lot's wife. CHAPTER IX. How King Mark, Sir Lamorak, and Sir Dinadan came to a castle, and how King Mark was known there. CHAPTER X. How Sir Berluse met with King Mark, and how Sir Dinadan took his part. CHAPTER XI. How King Mark mocked Sir Dinadan, and how they met with six knights of the Round Table. CHAPTER XII. How the six knights sent Sir Dagonet to joust with King Mark, and how King Mark refused him. CHAPTER XIII. How Sir Palomides by adventure met King Mark flying, and how he overthrew Dagonet and other knights. CHAPTER XIV. How King Mark and Sir Dinadan heard Sir Palomides making great sorrow and mourning for La Beale Isoud. CHAPTER XV. How King Mark had slain Sir Amant wrongfully to-fore King Arthur, and Sir Launcelot fetched King Mark to King Arthur. CHAPTER XVI. How Sir Dinadan told Sir Palomides of the battle between Sir Launcelot and Sir Tristam. CHAPTER XVII. How Sir Lamorak jousted with divers knights of the castle