Originally published in 1994, with a $100 price tag (which has risen dramatically since, on internet auction sites), Omniverse is the quintessential reference guide for anyone interested in navigating the oft confusing spaceways of Sun Ra’s interstellar influence. The chronological discography alone, should be worth the price of admission. Available in the US, any day now, via http://www.forcedexposure.com/home.html , though not currently listed.
http://artyardrecords.co.uk/shop/