num_pages: 150
description: While cruising to Rio de Janeiro on board the "Emerald Queen", Nancy becomes involved in a mystery concerning Mrs. Nina da Silva, whose late husband had been involved in an enormous emerald robbery.
language: English
title: The Black Widow
titlecomplete: The Black Widow (Nancy Drew: Files, #28)
genres: Childrens, Young Adult, Mystery Thriller, Mystery, Fiction
ratings_count: 425
series: Nancy Drew Files
publisher: An Archway Paperback / Pocket Books