Portada de Libro en Barrera del Bosque Nevado

A dark, cinematic graphic-novel style book cover illustration in vertical portrait orientation, set in a snowy mountain forest at night. In the foreground, four human figures stand behind a red-and-white striped barrier gate blocking a forest road: an adult man in a heavy dark winter jacket carrying a sleeping young girl in a padded pink snowsuit; an adult woman in a fur-trimmed winter parka aiming a flashlight downward across the snow; and a teenage boy in a dark hooded winter coat staring ahead into the woods. On the far right foreground, a weathered wooden signpost displays a pedestrian prohibition symbol. In the left midground, a dark off-road SUV is parked along the snow-covered roadside. In the right midground, a dead deer with visible antlers lies on the snow among pine trees. In the distant background between tree trunks, two faint, eerie humanoid silhouettes stand motionless. Steep snow-dusted mountain peaks rise beneath a clear starry sky. From high above on the center-right, a single brilliant vertical beam of pale blue-white light descends into the forest mist. Cold blue palette, tense supernatural thriller atmosphere, detailed painterly realism mixed with comic-book linework, no distinct facial details visible, with cover title text reading "[La Réserve]".