Back40books.com was first analyzed by us on Jul 06, 2013. We can see that the website is ONLINE. It currently ranks #1,031,752 in the world according to Alexa. The lower the Alexa Rank, the better and this is in our opinion a good starting rank. It is most popular in United States where it currently ranks #349,646. The website has a good Google PageRank of 4. The IP address of the server back40books.com is hosted on is 50.57.9.106 and is based in San Antonio, United States .