Law librarian Mary Whishner, at the University of Washington, has written a comparison of the 3 formats of the Blue Book: print, online, and iPad/Phone/Pod app. Her article is on LLRX. The cost of the print Bluebook is now $34 from the publisher, and it weighs 1 lb, 6 oz. A subscription to the online version, available at www.legalbluebook.com, is $32 for one year, $42 for two years, and $50 for three years. The app is a very recent option. Users need to download the app Rulebook and then purchase the Bluebook content for $39.99.