A sinister fire in a Copenhagen bookshop ignites a relentless hunt across four continents...A superb SIGMA FORCE thriller from the bestselling author of MAP OF BONES and THE DOOMSDAY KEY. Arson and murder reveal an insidious plot to steal a Bible that once belonged to Charles Darwin.As Commander Gray Pierce investigates, he is soon caught up in a mystery that dates back to Nazi Germany - and to horrific experiments performed in a now abandoned laboratory buried in a hollowed-out mountain in Poland. A continent away, madness ravages a remote monastery high in Nepal.As Lisa Cummings, a young American doctor, begins to investigate reported atrocities at the monastery, she is suddenly the target of an assassin.Her only ally is Painter Crowe, director of SIGMA FORCE, now undercover - and already showing signs of the baffling malady destroying the minds of the monks.Now it is up to Gray Pierce to save both Painter and Lisa - and a world in jeopardy...