"Get Inside God's Head" tells how to activate the pre-installed personal spiritual GPS God gave us at all at birth. Activation, the book says, consists of learning and using the "Common-sense-as-spiritual-GPS Principle."

The author of the book, a former Eastern Orthodox Christian priest using the pen name "Once-Reverend Basil," recounts the 50-year spiritual odyssey that led to his discovery of the principle. The odyssey culminated in a dramatic spiritual "Aha" moment, followed by a "Eureka" moment, which awakened the then-clergyman from a state of "spiritual zombee-ism" under whose...