Release Message:  A New York skyscraper is so heavy that it settles into the fourth dimension, taking engineer Arthur Chamberlain back to pre-Columbus Manhattan. Written by Murray Leinster.

Description:  A New York skyscraper is so heavy that it settles into the fourth dimension, taking engineer Arthur Chamberlain and his lovely, but stereotypical, secretary, Miss Woodward, (not to mention the rest of the building's occupants) back to pre-Columbus Manhattan.