NEW DELHI: Escalating its attack on the Congress over the National Herald case, the BJP has brought out a booklet titled 'Family Greed and National Blackmail' that aims to "inform" its party leaders about the issue.The party will distribute the booklet, which is a compilation of a number of write-ups on the issue, among its MPs and leaders across the country to "inform" them on the issue and give them "talking points", BJP parliamentary party office secretary Balasubrahmanyam Kamarsu said."It will give our leaders basic information about the issue and help them in explaining the stand of party as well the government. It will also give our spokespersons and leaders various talking points so that they could highlight them in debates and discussion," he said.The BJP has resorted to bringing out booklets on almost every major issue since it came to power in May 2014.The Congress had accused the Central government of practising "vendetta politics" and has alleged that the National Herald case against Sonia and Rahul Gandhi is part of the conspiracy.The party has brought out booklets on a host of issues, including Land Acquisition Bill, intolerance debate and the recent debate on Constitution.