For those who are interested in such things,
from piecing together a few words from the
in Spanish it looks to me as if the original series order
1. El capitán Alatriste/Captain Alatriste
2. Limpieza de Sangre/The Purity of Blood (Jan 2006)
3. Patente de Corso/The Sign of The Marque*
4. El Sol de Breda/The Sun of Breda
5. El Oro del Rey/The Gold of the King*
The Purity of Blood and The Sun of Breda are scheduled for publication in English in 2006. I have no information on when/if volumes 2 and 5 will be published.
*These are my best guess translations from the Spanish and may not ...