author
Known only by a pen name, this elusive Victorian-era writer is remembered for a compact etiquette guide that turns everyday social mistakes into brisk, practical lessons. The result is a small but revealing window into mid-19th-century manners and expectations.

by Observer of men and things
Very little seems to be confirmed about the person behind the name Observer of men and things. Available library and ebook records treat it as the author name attached to Blunders in behaviour corrected: A concise code of deportment for both sexes, with no clear biographical details about the individual.
That book was originally published in London by Groombridge & Sons in 1855. Framed as a guide to polite conduct, it offers short, direct advice on conversation, dress, visits, letters, dining, introductions, and other points of social behavior, reflecting the concerns of Victorian everyday life.
Because so little personal information is firmly documented, the author's identity remains part of the intrigue. What survives most clearly is the voice on the page: observant, corrective, and keenly interested in how people present themselves to the world.