This searing stand-alone from bestseller Roberts (The Search) celebrates the smoke jumpers of Missoula, Mont., who routinely risk life and limb to beat down raging forest fires. As close knit as any military combat unit, the "Zulies" include veteran Rowan Tripp, haunted by the loss of Jim Brayner, her onetime jump partner who was killed the previous season in a fall, and rookie Gulliver Curry, ...