What was the publisher and year of Mary shelly's Frankenstein?

The publisher was Harding, Mavor & Jones and the year was 1818. This version was titled Frankenstein; or, The Modern Prometheus. It was issued as "anonymous". A second edition was credited to Shelley in 1823. Then in 1831 under Henry Colburn & Richard Bentley a heavily revised edition(done by Shelley) was published. This edition is the most widely read version today.