When preparing for the CISSP exam, there are a lot of books and references you may use. For my preparation the references listed below have been used.
CISSP all-in-one Certification Exam Guide Shon Harris Has been the primary study guide for me. Practice questions are included in the book an on a CD.
The CISSP Prep Guide Ronald L. Krutz and Russel Dean Vines Was a supplementary study guide for me. Practice questions are included in the book.
ISO/IEC 17799 ISO standard (prior the british standard BS 7799) Code of practice for information secrity. The basis for ISO certification in Information Security.
CCCURE www.cccure.org Allready mentioned. Still you will find reference material for your preparation here..