She is co-owner of a
Print-On-Demand vanity press . Which is how the book ended up on Amazon, barnesandnoble.com, Powells.com, etc. -- they have contracts to carry all of WordTech's books. And those of several other POD vanity presses.
Or did. I think it likely that one bit of fallout will be revising such contracts. The potential liability in similar future cases is just too high.