The Case of the Forgotten Letter — Karen J. Carlisle

Dr John Watson is devastated. Mary Watson, worried about her husband's prolonged melancholia, engages Mrs Hudson's help.He needs an adventure - a challenge to prove he can survive without his dear friend. A favour is called. A mystery concocted. A plan is afoot… until a misread number sends it all awry.Now Watson is tracking Moriarty's gang as they both search for a missing letter.This is the second short the the Holmesian mystery series, 'Mrs Hudson Investigates'. Available in eBook only.