In reply to Jim blackford:
Thanks for the mention James, and glad you've found the info at Mountain Journeys of help so far.
I'm actually working on lots more of these, but nothing will be ready for a while yet.
There is a local guidebook 'Crestas y Aristas de la Comunidad Valenciana' by Joan Crespo Sempere. This has 23 route descriptions and topos. He includes a description, in 6 stages, for the Castellets ridge. It is in Spanish, but even without speaking the language you'll get a good idea of what each route entails.
I'm not sure where currently stocks this, so if you have bother locating it let me know and I'll find out more.
All the best
Mark
Post edited at 15:28