Hal is investigating a German family's curse and a possibly haunted railway line!Curses aren't real...are they?Hal Beck and his Uncle Nat have been invited by Baron Essenbach to help solve a mystery...a supernatural one. Because Essenbach thinks there might be something going on with his wife's family, the Kratzensteins. They are very rich and powerful German railway tycoons—who may be cursed.After all, legend says that an ancestor of the Kratzensteins once made a deal with the devil.Hal and Uncle Nat agree to go undercover to spend time with the family and investigate. As more and more weirdness happens, can Hal solve this paranormal puzzle before it's too late?Catch Hal's other adventures in:The Highland Falcon ThiefKidnap on the California CometMurder on the Safari StarSabotage on the Solar ExpressThe Arctic Railway Assassin