Personal Book is a print on demand service for books owned by Dimacofi in Chile. Customers can register and buy books from their extensive catalogue. The books can be personalized with text messages which is printed as part of the book. Their entire site is implemented in Drupal 6. Using XMLRPC it communicates with core services which were also developed by us. Easytech not only developed the website but also the order management system they use to track customer orders, a secure storage service to store encripted books and a custom imposition engine to generate ready to print PDFs.