Nightbringer | The Arthurian Online Encyclopedia

The Book of the Four Evangelists

The Gospels

Oaths were sworn upon this. Possibly any book may be used for swearing oaths upon.

[Lancelot] made bring forth a book [and said] Here we are ten knights that will swear upon a book never to rest one night where we rest another this twelvemonth until that we find Sir Tristram.