This book's author's note assures the reader that the narrator is imaginary. That narrator begins by telling the reader that he believes his liver is diseased, which explains the opening statement "I am a sick man". Part two 
This book's author's note assures the reader that the narrator is imaginary. That narrator begins by telling the reader that he believes his liver is diseased, which explains the opening statement "I am a sick man". Part two entitled Apropos of Wet Snow, features an incident where an officer lifts and moves the narrator out of the way of a billiard table. In the end the narrator pays a whore for consensual sex. FTP name this novel by Dostoevsky, which features an unnamed narrator who did not live in a basement.
This book's author's note assures the reader that the narrator is imaginary.
{Notes from} [the] {Underground} (prompt if anyone insists on answering in Russian)