The basic concept of the book is about how we can see by the happenings in the U.S. over the last decade or so how God is warning the country of coming judgment if we as a nation do not change our ways.
Having read it, we have definitely felt encouraged to share our faith and beliefs more publicly and freely. God does want to bless America if we'll follow Him. He wants make the Fruit of the Spirit actively true in each of our lives. All we have to do is make Him first in our lives, and thereby let Him.