Singularity

June 30th, 1908 In the trackless wastes of Siberia's remote Tunguska river basin, the most devastating cosmic collision ever recorded flattens hundreds of square miles of ancient forest with a blast a thousand times more powerful than the atomic bomb dropped on Hiroshima. Yet, after more than a hundred years of international scientific investigation, the cause of the cataclysm remains shrouded in mystery.Maverick astrophysicist Jack Adler thinks he's fingered the culprit: the impact with the earth of a submicroscopic black hole, smaller than an atom, more massive than a mountain, older than the stars. What's more, Jack believes that this fantastic object is still down there, deep inside the Earth, burrowing through its mantle in an ever-decaying orbit that will end only when it has devoured the entire planet. Small wonder if the Russians refer to the voracious black hole by their word for vampire Vurdalak.Rookie secret agent Marianna Bonaventure is...