Fright in the night

"Gruesome and Grisly McNasty will stop at nothing for treasure. Not even their pirate ship sinking will get in their way. They hijack a fishing trawler, force the crew to walk the plank and set sail for Little Snoring, where they know Captain Syd's legendary hoard is buried. When best friends Tat and Hetty realize the pirate twins have returned, they plan to give them a real fright in the night. It (maybe, definitely) involves the ghost of Captain Syd and a very sticky situation ..."--Back cover.