Spam or Smart Marketing...?

I received the following email today:

Hi there, Here is a great book , I think you maybe would be interested in, Infertility Related Book, written by Author, Co-Author and Co-Author, this book was just released by Large Publishing Company. You could comment this book on your blog and share with your readers. Please send me your mailing address, I will send you a copy. Attachment is the detailed info about this book. Thanks

The email is signed with a full name and the address for the publicity department of the Large Publishing Company (Confirmed by my best friend Mr. Google). I have not opened the attachment which is a MSW0rd document.

Now, I am certainly not going to respond to this person via email, but I thought I might print the email out and mail it directly to the publishing company's address. What do you think? I am usually not one to turn down free reading material...