Circle of Death: A Shadow Thriller

It's The Shadow vs. the end of the world.  Nothing more, nothing less.   

Doomsday is coming as an evil mastermind plots to destroy all of humankind.  Not even The Shadow knows the enemy’s true identity.  But the clock is ticking with people all over the world dropping dead each and every day.
 
As The Shadow gathers a small band of allies, he knows this is one fight he cannot lose   Because anything else means the end of all life.