The map depicted a winding path leading to a lighthouse on the outskirts of town, marked with an ominous X. The store owner, an elderly man named Mr. Jenkins, noticed Billy Boy's fascination with the map and approached him.

"Ah, you've found the map of the infamous Lighthouse of Legends," Mr. Jenkins said with a sly grin. "They say it's haunted by the ghost of a former lighthouse keeper, who died under mysterious circumstances."

But as he looked back at the lighthouse, he could have sworn he saw a shadowy figure watching him from the window. Billy Boy smiled, knowing that this was only the beginning of his adventures. The mysterious case of the haunted lighthouse was just the start of a thrilling journey that would take him to the very edges of his town and beyond.