Ninety-Minute Hour

Time should be seen not as an enemy but as a friend who helps provide increased leisure, asserts Levinson ( Guerrilla Marketing , etc.) in this guide to time-extension. Among his suggested aids to achieve a 90-minute hour are technology and time-enhancing work habits: mobile phones, computers, educational audio- and videocassettes to have at hand when traveling or waiting. While he focuses on mastering conscious and subconscious mental disiplines, including use of psychologically stimulating subliminal tapes, Levinson also advocates ``delegating authority'' in both office and home, which readers will recognize as a euphemism for having someone else do the work, an age-old timesaving method. (Mar.)