Thriller Novels

I'd be very interested to hear anybody's view on any of the following authors:

Especially with regard to their international thriller novels.

Deon Meyer, Daniel Silva, Adam Hall, Simon Kernik, David Baldacci, Ross Thomas and Ken Follet.

Author - Patrick Mackeown (Highly Recommended by MBR)
http://www.bookscape.co.uk/thrillers/doctrine.php