Short Version: Games Workshop vs Spots the Space Marine

Bottom Line Up Front: It's back up for sale. Click Here.

Author's original blog post 13 December 2012 Click Here.
GW claims trademark ownership over the term "space marine", and so Amazon takes book down from sale.

Tons of comments, blogs, and news ensue.

Twitter feed about the ridiculousness. Click here.

http://en.wikipedia.org/wiki/Space_marine

The author has a list of the 37 news articles and counting here.
To include but not be limited to BBC, Huffington Post, The Guardian, and The Register.
If GW's goal was to make the news and get some publicity well they did it.

Electronic Frontier Foundation helps defend the author. See her blog post here.