A One-Pipe Problem, by John Gregory Betancourt (epub/Kindle/pdf)
John Gregory Betancourt's award-winning Peter "Pit Bull" Geller series gets a new twist in this historical tale featuring Pit's grandfather, a plumber in Brooklyn, New York. Newly back from World War 2, Joe Geller gets more than he bargained for when he fixes the plumbing for a wealthy Russian countess.