“The Boy Who Came Back From Heaven” was first published in 2010 and told of a 2004 auto accident which left Malarkey in a coma. According to the book, co-written by Alex’s father, Kevin Malarkey, he had visions of angels and of meeting Jesus. In 2014, Tyndale reissued “The Boy,” which on the cover includes the billing “A True Story.” As reported by Nielsen BookScan, which tracks around 85 percent of the print market, the book has sold nearly 120,000 copies.