Cheers to Koala Press, Bulgaria, for whipping out a Bulgarian edition of Murder in the Front Row: Shots from the Bay Area Thrash Metal Epicenter, by Harald Oimoen and Brian Lew, in record time. They also produced a great promo poster using a killer Harald Oimoen photo of Jeff Hanneman clad in leather, executing a crucial backbend. Not the only yoga-worthy backbend in the book, either! Mustaine might still have him beat…