John Starke gives us a compelling vision of the praying life—and the practices to turn that vision into a reality. I grew up listening to my dad play the guitar. He was an amateur with the instrument, but what he lacked in training he made up for with his pristine voice, which would soar through the rooms and wash over you like warm water. He made up a lot of his own songs; some were forgettable, but there was one I have never forgotten. The chorus, which was really slow and always hit the top of his register, went like…