Cindy Sample is a mystery author from El Dorado Hills who’s known for her humorous Laurel McKay mystery series. Her latest installment, “Dying for a Donut,” is both titillating and craving-inducing. Set in Apple Hill, McKay stumbles over a dead body covered in powdered sugar. Sample joins Insight to talk about this new mystery. She’ll be signing copies of the novel at Face in a Book in El Dorado Hills Sunday afternoon.