The case Jesus presented about the unclean spirit seeking rest after leaving a person shows us, first, that it is not the uninhabited places that demons seek, that demons choose to live in the same urban settlements established by man; and, second, it shows us that demonic forces depend on "man" to exercise their dominion over the earth; or rather, they depend on the facts of this one, or these, to operate with right over the region.
The demonic Powers and Principalities stationed in an inhabited region never operate in independence of the people who live in them, it is the facts of their inhabitants who summon them, concert with them and make them settle in their region. Based on this fact, the only way to distort the power of the spiritual forces of the place is to invalidate the works of those who gave them the right to settle in the place.
It would seem that we are entering a course of spiritual warfare and liberation, however, Evangelization is no different than spiritual warfare, in fact, Jesus presented the one as a consequence of the other: if I with the finger of God cast out devils, no doubt the kingdom of God is come upon you (Luke 11:20). This is the reason why the Gospel has not been able to enter seemingly atheistic and/or pagan areas.
The book is a Training and Instruction manual on how to establish the Gospel message in regions that have been closed to the Kingdom of God. We invite you to read it.