Doesn't give you whole book, but gives you some of it
In the free version, you only get 20% of your book. But at least it works! In case you're wondering, this is the first page you get when you open up the PDF of your book in your browser "Your ebook has decrypted. The TXT file just save 20% of ebook content. Please register the software, then get full content and the valid ebook format."