Chesterton portrays Father Brown as a short, stumpy Roman Catholic priest, with shapeless clothes and a large umbrella, and an uncanny insight into human evil. "How in Tartarus," cried Flambeau, "did you ever hear of the spiked bracelet?" -- "Oh, one's little flock, you know!" said Father Brown, arching his eyebrows rather blankly. "When I was a curate in Hartlepool, there were three of them with spiked bracelets." Not long after he published Orthodoxy, G. K. Chesterton moved from London to Beaconsfield, and met Father O'Connor. O'Connor had a shrewd insight to the darker side of man's nature and a mild appearance to go with it--and together those came together to become Chesterton's unassuming Father Brown. Chesterton loved the character, and the magazines he wrote for loved the stories. The Innocence of Father Brown was the first collection of them, and it's a great lot of fun.
Orthodoxy (1908) is a book by G. K. Chesterton that has become a classic of Christian apologetics. Chesterton considered this book a companion to his other work, Heretics, writing it expressly in response to G.S. Street's criticism of the earlier work, "that he was not going to bother about his theology until I had really stated mine". In the book's preface Chesterton states the purpose is to "attempt an explanation, not of whether the Christian faith can be believed, but of how he personally has come to believe it." In it, Chesterton presents an original view of Christian religion. He sees it as the answer to natural human needs, the "answer to a riddle" in his own words, and not simply as an arbitrary truth received from somewhere outside the boundaries of human experience.