Blue Book (CD standard) Blue Book (CD standard) The Blue Book is a compact disc standard developed in 1995 by Philips and Sony. It defines the Enhanced Music CD format (E-CD, also known as CD-Extra, CD-Plus and CD+), which combines audio tracks and data tracks on the same disc. The format was created as a way to solve the problem of mixed mode CDs, which were not properly supported by many CD players. The standard is not freely available and must be licensed from Philips. E-CDs are created through the "stamped multisession" technology, which creates two sessions on a disc. The first session of
Link: The Faces of Evil and Zelda: The Wand of Gamelon Link: The Faces of Evil and Zelda: The Wand of Gamelon Link: The Faces of Evil and Zelda: The Wand of Gamelon are two action-adventure video games developed by Animation Magic and published by Philips Interactive Media for the CD-i. The two games were released on the same day, were developed simultaneously, and look and play similarly because they use the same graphic engine. A third "Zelda" game released for the CD-i, "Zelda's Adventure", featured a different developer and perspective than its predecessors. "Link: The Faces of Evil" puts the player in control of Link, who goes on a quest