The International Speakers Network convinces you they can help speakers market their speaking services, and charges a lot of money to develop mailings, sell sheets, and other marketing materials. But they don't actually perform any of the marketing services speakers pay them for. yes, they will print materials, but they take a lot of money to distribute those materials which are never distributed. They have several names like ISN, Book a Speaker. net, Innovators Group and others. Learn more about them at http://burnedbyisn.blogspot.com/ You'll see that they have a horrible track record with the Better Business Bureau, too. read full review »