The route is described in detail with illustrative maps in:
Haute Randonée Pyrénéenne: Books
Het Grote Pyreneeënavontuur - De Haute Randonnée Pyrénéenne in 5 Routes en 42 Etappes
Ton Joosten, 1st edition published in 2002
This guide is written in Dutch, to our joy, however more recently an English edition appeared. In the book a suggestion of stages and estimations of walking times are given. The times were good when climbing and most of the times are too short when decending - especially for me. When you decide to camp, like we did, you are not bound to the suggested stages.
Besides the book, we also used next series of maps:
Last modified July 2012