After a burst appendix nearly cost 4-year-old Colton Burpo his life in 2003, his parents were thankful just to have him alive and well. But when he opened up about his brush with death a few months later, they were shocked when he described a very vivid trip to heaven, and spoke of matters about which he had no apparent way of knowing. During an automobile trip, when Sonja Burpo asked him about his memories of being in the hospital, little Colton replied: “Yes, Mommy, I remember — that’s where the angels sang to me.” A sweet answer, to be...