Action and suspense novel for those who like to speculate about the future

Third book in The End trilogy, Brink of Chaos is full of cliff-hanger scenes that make you keep reading.  In the not-to-distant future where everyone has an invisible laser tattoo, things fall apart when the U.S. president is poisoned.  Mix some very evil bad guys and a new bio-terror weapon with  a few Israeli spies and you get a page-turner with quite a surprise at the end.