The book 'For Love of Country, Leave the Democratic Party Behind' aims to provide guidance to those feeling politically homeless and concerned about the direction the country is headed. It emphasizes the importance of Americans coming together to protect peace and freedom, highlighting the role of people in stopping a perceived tyrannical government. The book concludes with a call to action, stressing the necessity for unity in the face of challenges to democracy and freedom, particularly in the context of the upcoming crucial election.