A useful guide to optical discs for the forensic professional or anyone that deals with optical media. Focus is on specifics that will insure proper handling and processing of discs to assure against loss of data and potential evidence. The author has been working with optical media since 1994 and is the author of a number of software products for writing optical media, recovering data from optical media and forensic examination of optical media. This is the second edition of this book and contains updated information and more focus on Blu-ray media.