The following informal guides to Western classical music are briefly reviewed (Amadeus Press): (1) "Decoding Wagner: An Invitation to His World of Music Drama," by Thomas May; (2) "The Mahler Symphonies, An Owner's Manual," by David Hurwitz; (3) "Getting the Most Out of Mozart, the Instrumental Works," by Hurwitz; (4) "Getting the Most Out of Mozart, the Vocal Works," by Hurwitz; (5) "Exploring Haydn: A Listener's Guide to Music's Boldest Innovator," by Hurwitz; and (6) "The Great Instrumental Works," by M. Owen Lee.