Gary gives a brief and easy way to comprehend the theology of the Shack and how it corresponds to certain truths in scripture. One truth is That God is Father, Son and Holy Spirit and that he is good all the time.
This storyline is very dedicated in explaining the righteous heavenly sentiments for spiritual affliction and common grounds for right/wrong, sacrifices among humanitarian feeds of ultimate approval, to bear virtual guides in manifesting strength and stature in life.
Found this an honest and in my opinion correct interptretation of the authors intentions with the book, as well as that of the Bible. Scriptures referred to are consistent with interpretation through the Word, which is a Person, Jesus. Also good understanding of the means or forms of which Literature make use of.