Creepy book cover, mysterious atmosphere, dimly lit, dark blue tone, old leather-bound book, golden font title "Goosebumps", eerie glowing eyes peering from shadows, spooky tree branches grasping the edges, misty fog rolling in, full moon hanging low, abandoned mansion in the background, overgrown with vines, crumbling stone walls, creaking door, flickering candles, cobwebs clinging to corners, worn-out wooden floorboards, mysterious silhouettes lurking in the darkness, ominous clouds gathering above, bold font author name "R.L. Stine", spine-tingling horror story vibe, hauntingly beautiful illustration style, intricate details, high contrast, dramatic lighting, eerie ambiance.