This past January, we shared a full-blown 5-hour-long video of mood slime slowly flowing beneath New York City in Ghostbusters II.

Now, thanks again to Ghostbustersnews, we have an even more relaxing ambiance video: 8 straight hours of the Ghostbusters librarian ghost haunting the New York Public Library!

“Spend 8 hours at the haunted public library of New York,” writes George Ander, who created the video. “It’s calm and quiet except for the sound of pages turning, books floating between shelves, and the occasional ghostly whisper.

“Lately, the librarian has been...