JamBands.com - Online music magazine. Schedules for jam bands. January Magazine - Top book-related site on the Web. January does book reviews... Reviews of sci-fi, mystery, mainstream novels, cookbooks, children's books, and non-fiction... J@pan Inc. Magazine - Japan's Internet economy. The latest news & information on e-biz, VC, M&A, and technology in Japan. Jazz Improv Magazine - Magazine with music and ideas for all jazz enthusiasts. Jinn Magazine Johns Hopkins Magazine Junior Baseball Magazine - The online version of Junior Baseball Magazine. Everything for baseball players ages 7-17... JTS Magazine (formerly Masoret) - The Journal of the Jewish Theological Seminary, published three times a year.