How a servant of Sir Aglovale’s was slain, and what vengeance Sir Aglovale and Sir Percivale did therefore. [Chap. xi.]

How Sir Percivale departed secretly from his brother, and how he loosed a knight bound with a chain; and of other things. [Chap. xii.]

How Sir Percivale met with Sir Ector, and how they fought long, and each had almost slain other. [Chap. xiii.]

How by miracle they were both made whole by the coming of the holy vessel of Sangreal. [Chap. xiv.]

[Here follow the Chapters of the Twelfth Book.]

How Sir Launcelot in his madness took a sword and fought with a knight, and after lept into a bed. [Chap. i.]

How Sir Launcelot was carried in an horse-litter, and how Sir Launcelot rescued Sir Bliaunt his host. [Chap. ii.]

How Sir Launcelot fought against a boar and slew him, and how he was hurt and brought to an hermitage. [Chap. iii.]

How Sir Launcelot was known by dame Elaine, and was borne into a chamber, and after healed by the Sangreal. [Chap. iv.]