[Fixed] Bad image, missing variant: The Snake Pit Book

For this book you have the “10 year anniversary edition” but the image shown is for the original 1st edition.

Use the image in core now to create an entry for the 1st print, which is from 2004, Gorsky Press.

The 10th Anniversary edition is from May 2014, Microcosm Publishing, with the following image

Has been added/corrected