Maigret Enjoys Himself - Georges Simenon

When Maigret's holiday plans go awry he and his wife spend their vacation in Paris, on the condition that he has nothing to do with work. However a case involving the death of a doctor's wife intrigues Maigret and he assiduously follows its development in the papers. He cannot resist playing a few tricks on his colleague Janvier who is running the case and along the way Maigret uncovers something that is crucial to the murderer's discovery...