Let me check some facts. Harry Anderson was born in 1952, died in 2018. He was on "Late Night," then hosted his own talk show. He also wrote a memoir. The memoir was titled "The Funny Thing Is..." published in 1997. That's one of his well-known works. Maybe the user is conflating the title with that. Alternatively, could there be a compilation of his "Wise Guy" monologues? Maybe a transcript of his appearances as the "Wise Guy" on "Late Night"?