The Gray Hunters Revenge

In this spine-chilling adventure, the Hardy boys, Frank and Joe, embark on a dangerous journey to solve the mystery revolving around a legendary creature in Bayport. The brothers must unravel the deep secrets of the Gray Hunter before it's too late. They also find themselves investigating a supernatural crime involving the recent death of their favorite author, Nathan Foxwood. As secrets unfold, the boys discover that the motives behind the mysteries might not be supernatural after all but involve very real and dangerous human intentions.