Ice and Fire: Great Comets to Come was written because a special celestial event climaxes towards the end of 2013 - the arrival, fresh from the Oort Cloud, of Comet C/2012 S1 (ISON). By all predictions - even the most pessimistic ones - this comet is set to be one of, perhaps the most, dazzling comet seen in modern history and has the astronomical world buzzing with anticipation. Skywatchers have already been primed for C/2012 (ISON) earlier...