Wet Basements Help!

Well I might have found a solution to the water in the basement. I haven't bought it yet just curious if anyone else has bought this and found it useful. Its a downloadable ebook called waterproofing manual. It has a lot of solutions to waterproofing a basement, i'm just curious if anyone has heard about it or bought it before and if they can tell me if its worth it. Here is the site with the ebook Click Here!