THE PRACTICAL Skywatcher's HANDBOOK / by Burnham, Robert, author 431476, Dyer, Alan, 1953-, author 444996, Garfinkle, Robert A., author 647325, George, Martin, author 647326, Kanipe, Jeff, author 647327, Levy, David H., author, consultant editor 356190, O'Byrne, John M., consultant editor 389128