FTP, identify this John Irving novel centering on the midget title character.
During a performance run of A Christmas Carol, the title character plays the Ghost of Christmas Yet-To-Come and sees a vision of his own gravestone.  Later on, he removes the arms and head from a statue of Mary Magdalene and puts it in the Gravesend Academy auditorium, prompting a speech by the Reverend Merrill from which the novel's title comes.  After the title character loses his own arms and bleeds to death from a grenade explosion, his ghost visits the Reverend and causes him to reveal that he is the father of the narrator, John Wheelwright.  FTP, identify this John Irving novel centering on the midget title character.
During a performance run of A Christmas Carol, the title character plays the Ghost of Christmas
A Prayer For Owen Meany