The Book Elf
Registered
My problem is that I can't work out what I get in return for registering, because you require me to register in order to find out. Or at least, that's how it looked when I took a quick tour around your site.
It would be much better, in my opinion, if I could learn about what you do before I commit to registering with you. Because registering with you is a waste of my time and your bandwidth if you don't offer any services of interest to me.
They are giving you the email addresses of the top reviewers for you to contact them and offer them a free copy of the book in exchange for a review.