Brandy L. Rivers’s contemporary romance book “Backburn” explores the realm of fire and desire. Determining to apprehend a firebug accountable for a series of arsons, Detective Marissa Cortez teams up with a former romantic partner. Marissa finds the renewed romance difficult because she has been burned too many times in the past. Veteran firefighter Dave Metcalf, meantime, is burdened with a mountain of remorse. You sometimes have to start a fire to control one. Under the scorching heat of the fires, this powerful story examines love, peril, and second chances.