Double or Quits (Vintage Dell Mystery, 718)
Double or Quits - Vintage Dell Mystery, 718 Author:A. A. Fair A Donald Lam/Bertha Cool Mystery. The case looked so innocent that Bertha left it in Donald's hands and went fishing. But she heads back in a hurry when Donald comes up with a couple of corpses and a con game - and then becomes himself the fish that almost didn't get away.