The French publisher Lattes has sent “warning letters” to publishers it feels are infringing on the copyright of Fifty Shades of Grey.

The Telegraph had this quote from editorial director Laurent Laffont: ”Some of these titles, which pick up on elements of the book, are clearly parasitical … We would like those planning new releases next year to know that we are watching very closely to ensure they are not parasitical.”

Online authors should never forget that readers can travel backwards in Internet time and explore their earlier work. Author E L James scored a seven-figure book deal to publish the Fifty Shades of Grey trilogy and a movie deal quickly followed.

This erotica bestseller began as a work of Twilight fan fiction called Master of the Universe, earning a massive fan fiction following years before the book deal. Most traces of this fan fiction history have been removed from the Internet. Using the Wayback Machine, we were able to take snapshots from James’ old work–getting a peek into the book’s previous incarnation as an X-rated version of the Twilight story.

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