James Marsh Sternberg ( J) · 5 obras en el catálogoObrasSSecond Hand High, Third Hand Not So HighSecond Hand High, Third Hand Not So HighEEntry, an EntryEntry, an EntrySSolving the Mystery of the RedoubleSolving the Mystery of the RedoubleSSimple SqueezesSimple SqueezesIImproving Your TimingImproving Your Timing