Hi Martin,

I used the Front End Drupal book, it`s a very good book.

http://www.amazon.com/Front-End-Drupal-Designing-Scripting/dp/0137136692/ref=sr_1_1?ie=UTF8&s=books&qid=1252756301&sr=8-1

Att,

Pablo Lacerda de Miranda
Analista de Sistemas
Pontífica Universidade Católica de São Paulo
pablolmiranda@gmail.com