Amazon's reward should not have included being able to combine its wireless e-reader,
deep pockets, and an existing dominant position in a related, but separate,
market — the online
market for physical books — to
prevent other vendors from entering the e-book
market.
In my personal opinion, as someone who has been in and around the indie and small press publishing industry for 14 + years, trademarking a specific word or combo of words in order to
prevent them from being used in a book title and / or series is both in bad form and shows a
deep misunderstanding of the concepts of copyright infringement and writing to
market as well as a lack of understanding of the book publishing world in general.