New Delhi [India], May 31 (ANI/PR Newswire): HarperCollins is delighted to announce its acquisition of the eagerly awaited new book by one of India's bestselling author Amish Tripathi. War of Lanka will be the fourth book in the Ram Chandra Series, the second fastest-selling book series in Indian publishing history. The previous books in this bestselling series include Ram-Scion of Ikshvaku, Sita-Warrior of Mithila and Raavan-Enemy of Aryavarta. The date of release for War of Lanka will be announced soon.