I've read quite a few and have loved them. A couple of years ago a (fairly wealthy) friend bought me a Folio Society copy of 'The Plums of P G Wodehouse' which contains some of his best bits. I'm not sure whether it's published by anyone else, though.
I studied this book for an exam a few years ago and found it to be a rattling good yarn! As with previous comments I found my sympathies to be with the 'monster' rather than with his creator. Frankenstein is an arrogant man who assumes the mantle of God with devastating consequences. I remember being amazed to learn that Mary Shelley was only 18 when she wrote this.