The Room with the Tassels

It had seemed an idyllic way for a group of wealthy New Yorkers to spend a summer month, researching the supernatural in a reputed haunted mansion in the depths of Vermont's Green Mountains. That is until two of their number are mysteriously struck down at afternoon tea. Were their deaths the result of supernatural forces? Or did they meet their death due to a more human hand? This is the riddle that the famed detective Pennington Wise must unravel as he tries to discover what happened in . . .The Room with the Tassels