If any reader here follows some of the more popular US/UK forums about tabletop war gaming( it has even happened on this blog) you may know about Games Workshop's pattern of intellectual property protection.
As in, we will send out cease and desist letters to anyone who may use any common term that can describe anything we make. Now they have had a book about "Spot the space marine" pulled from amazon because apparently GW owns the words "space marine".
For some more info head on over to Plastic Legions
This is bullying plain and simple, they are attacking people not ideas.
To Learn more about the author of Spots the space marine go here. She has updated her site with more information.
The ebook has been returned to the ebook store on amazon. Show her some love if you can and purchase a copy.