The World Building was an office building in Manhattan in New York City. It was located on Park Row. Junk shops on Gold Street were located east of this building.
In The Big Good-Bye, one night while on assignment to inspect junk shops, Detective Jim Tierney paused at the front of this building to watch commuters heading home. (TNG: "The Big Goodbye")
The pages seen in the episode were actually from the detective novel,
The Listening Man, by author John A. Moroso. This novel was published in 1924. Information on World Building was from page 197.