The Ghost-Seer or The Apparitionist (full title: Der Geisterseher - Aus den Papieren des Grafen von O**; literally, The Ghost-Seer - From the papers of the Count of O**) is an unfinished novel by Friedrich Schiller. It first appeared in several instalments from 1787 to 1789 in the journal Thalia, later appearing as a three-volume book in its own right.