Word to Death: A White House Dollhouse mystery: 3

Word to Death is a completed cozy mystery. My character Liv Anderson owns the White House Dollhouse store in Minneapolis and has a doctorate in American history specializing in the First Ladies. A Mary Lincoln impersonator from the Mary Todd Lincoln House is invited for a special tea at Ingas Antique Store which is located nearby. Before her death she asks Liv about her knowledge of the speech which Abraham Lincoln had given in Bloomington Illinois about slavery. It was titled the Lost Speech. Liv had never heard of it until this moment. When the impersonator is murdered outside of Livs store door she becomes concerned. Upon her research Liv learns that speech was never located and could be worth a fortune. Later its learned that the killer is after the famous speech. Liv stands between the manuscript and the killer who will find it first?