Control the page to stand before Mr. Foulque. Speak to him until he suggests 
you choose a book. The player then has the option to choose which story he/she
would like told by selecting one of the books in the room. The white book tells
the tale of Bradwen, loyal defender of the faith to the one Christian god. 
The red book tells the story of Bradwen the Celt, adhering to the worship of 
the ancient goddesses. 

Go over to the lecterns. Stand in front of the book of the story you would like
told. Press the action key to take one of the books and give one of the the 
books to Master Foulque and the game will continue.