From "Introduction" to Frankenstein (1831)

From Author Wars - https://authorwars.com/books/from-introduction-to-frankenstein-1831-1178524.html

Overview:

Title: From "Introduction" to Frankenstein (1831)
Author: Mary Shelley
Year: 2008
Type: Essays

Editions/Publications:

Unknown. Dr. Jekyll and Mr. Hyde / The Secret Sharer / Transformation: Three Tales of Doubles (Unknown, Mary Shelley, Pearson Longman, ISBN-10: 9780321415615, $10.20, xvi+239 pages, Trade Paperback, Anthology)