My Goal: Before Halloween, I want 40 Amazon reviews for "Thirty Scary Tales"

Thirty Scary Tales - Rayne Hall

I'm trying to get 40 Amazon reviews for Thirty Scary Tales by Halloween. So far, I have 15.
Maybe I was too ambitious when I set this goal in August. A few more reviews are in the pipeline, but it looks like I'm not going to make it. :-(
Can anyone help? (Free ebooks for reviewers, of course.)