Pretty sure it's not available any more. You can pick up pretty useful LG drill books pt 1-20, and 21-40 etc all repeated three times, on the Amazon website.
Hi Bruno, I'm not sure about others, but that's exactly what I did. It was very useful for me and helped me to get pretty comfortable with different question types, games, passages, etc.
I've also found the Manhattan Forums very useful. I hate to advertise for another company besides 7Sage, but Manhattan's forums are good for those rare questions that 7Sage's explanation just happen to not jive with you or if you need another perspective.
I wouldn't look at the score, unless you haven't taken that test in like 3+ months. Regardless, focus on the skills that you are reinforcing rather than the score on your retakes. That is what those tests are useful for! Hope that helps.