Deep Trouble is the 19th book in the original Goosebumps series.
The original 1994 cover illustration depicts a hammerhead shark about to attack Billy Deep as he is swimming above a coral reef.
The 2008 Classic Goosebumps cover illustration depicts a hammerhead shark lurking underwater near a giant skull-shaped rock.
Synopsis[]
Billy and his sister, Sheena, are visiting their uncle Dr. Deep on a tiny Caribbean island. It's the perfect place to go exploring underwater...and Billy's ready for an adventure. There's only one rule to remember: Stay away from the coral reefs. Still, the reefs are so beautiful. So peaceful. Billy can't resist. But he's not alone in the water. Something's lurking deep below the surface. Something dark and scaly. Something half-human, half-fish...