This work by Henry Scougal was originally created to explain what Christianity is to his friend. Yet, the book became so famous, that got universal acclaim and was read for centuries. The book teaches us what si the real faith in plain simple language. Thanks to these qualities it is readable now, as it was in the 17th century and explains Christianity as it is. Today it is one of the most important writings of the Christian culture.

Henry Scougal (1650–1678) was a Scottish theologian, minister and writer. He was brought up in a religious family and after the graduation from the Aberdeen University became a professor pf philosophy. He also was appointed minister to the church not far from the university. Henry Scougal combined his services with writing. His works belong to the most important Christian writings and inspired numerous religious leaders.