New Delhi [India] May 25 (ANI/PR Newswire): HarperCollins India is delighted to announce the book THE VORTEX: The True Story of History's Deadliest Storm and the Liberation of Bangladesh by History's Deadliest Storm. In November 1970, a storm set a collision course with the most densely populated coastline on earth. Over the course of just a few hours, the Great Bhola Cyclone would kill 500,000 and begin a chain reaction