. "The Penguin Guide to Compact Discs and Cassettes" . "The Penguin Guide" . . "The Penguin Guide to Compact Discs" . . . . . "The Penguin Guide to Recorded Classical Music" . . . . "''The Penguin Guide to Compact Discs and DVDs''" . "The Penguin Record Guide" . "Penguin Guide to Recorded Classical Music" . "Penguin Guides" . . "The Penguin Guide to Recorded Classical Music 2010" . . "Penguin Guide to Compact Discs" . "The Penguin Guide to Compact Discs and DVDs" . "The Penguin Guide to Recorded Classical Music" . "Penguin Stereo Record Guide" .