Hello!
I will be in Osaka/Kyoto/Nara for 2 weeks in June. I have never been to Japan (or anywhere in Asia) so my knowledge is limited to what I've learned from watching Cowboy Bebop on DVD

Does anyone have suggestions for good guidebooks? I'm very interested in history, but would also like some good (up to date) info on nightlife in Osaka.
Also does anyone have recommendations for must-see museums or art galleries/shows, or know where I can get good info? I'm interested in both modern and traditional art.