The debate over the United States 45th President Donald J. Trump is not new. His words and activities are nothing out of it. His statement is a regular issue in the talk of the town. The President Donald J. Trump is now at the center of attention of the world politics. This Book "Impeachment of Donald Trump: Could be the Third?" has been arranged as a reference book for the researchers of Law, Government & Politics, Public Administration, Sociology, and Political Science. The book will also be useful for students, teachers, politicians, House Members, Senators, Judges, Juries, Attorneys, social workers, and legal experts. My dear readers, read this book "Impeachment of Donald Trump: Could be the Third?" in a breath and find out why the US President Donald Trump needs to be impeached and how the impeachment prosecution process goes on, and how complicated and difficult the procedure of impeachment is, and whether he can be impeached at all as well as find out the difficulties and niceties of the event.America is related with the norms and values of democracy, the values of liberty, the independent of freedom, the esteem of rule of the law, the dignity of the human, the origin, the color, the religion, the gender, the sexual conduct or the freedom of political view. But the President Donald J. Trump's vanity, self-admiration, self-absorption, self-obsession, conceit, smugness, superiority, arrogance, self-centeredness, self-regard, egotism, shamelessness, magical thinking, envy, exploitation, abuse, manipulation, mistreatment, and egoism has thrown America into existential threat. His abusive comments and actions towards marginalized groups, specially - Muslims, Mexicans, women, and disable people, have spoiled original identity of the America and endangered the high standard of the America in the world as well as the system of tying in a yarn of the West to the East has endangered by the President Donald J. Trump. He also shows speedily unstable and narrow expressions of emotions, feelings and sentiments and his conduct and behavior is over-reactive and forcefully expressed.Trump announced his nomination on June 9, 2015 under the Republican Party in the presidential election. Trump has been able to gain media attention and public support through his previous campaign activities. In the elections held on November 7, 2016 he received 306 electoral votes and was elected president.The United States 45th President Donald J. Trump's political complexity is not diminishing. Several times it seemed that Donald J. Trump was facing impeachment in Congress. In the end, he had to face impeachment investigation. Now, the present debate on impeachment investigation is Trump's phone call with the Ukrainian president. Nancy Pelosi, speaker of the House of Representatives, has recently ordered a formal investigation. The process of impeachment against him has begun in Congress.If Donald Trump is removed from the impeachment, then Vice President Mike Pence will automatically be replaced. He will fulfill the current term of the President, which will end on January 20, 2021. It is said that the announcement of the impeachment in the Congress is deeply divided the United States only one year left before the election. The effect of impeachment investigation is far-reaching.While everyone's attention is drawn to US impeachment, this is not a rare occurrence in world politics. Robert Mugabe and the 36th President of Brazil Dilma Vana Rousseff are the burning issue of Impeachment.Zulfiquar Ahmed, PhD., is an Associate Professor of Law at the University of Rajshahi specializing in Government, politics, Cyber and e-commerce law. Dr. Zulfiquar Ahmed has authored many books, like, Government, Politics and Election Laws, Political Theory, A Hand Book of Computer & Law; A Text book of Bangladesh Labour Act 2006; A Text Book on Cyber Law in Bangladesh, and Alternative Dispute Resolution, etc.