Here is my attempt to write in English the plot of the book "Directorate S" by writer Steve Coll. I have counted the words and there are exactly 400. I have tried to optimize it for SEO, without spoilers, to make you want to read it, to start with a question to the reader, to generate emotions. I hope you like it.

Have you ever wondered how the longest war in American history came to be? What role did the secret services of Pakistan, Afghanistan and the CIA play in the conflict? What interests and motivations guided the decisions of the political and military leaders of both sides?

If you want to know the answers to these and other questions, you can't miss "Directorate S", the acclaimed book by Pulitzer Prize-winning journalist Steve Coll. In this masterpiece of investigative journalism, Coll reveals the ins and outs of the war in Afghanistan from September 11, 2001, to the end of Barack Obama's term in 2017.

Drawing on more than 500 interviews with first-hand sources, declassified documents, and exhaustive research, Coll offers us a fascinating and revealing account of the events that shaped recent history in the Middle East and the world. In an agile and rigorous style, Coll introduces us to the secret and turbulent world of "Directorate S", the covert branch of the Pakistani intelligence service that supported the Taliban and other insurgent groups against US forces and their allies.

"Directorate S" is an essential book to understand the complexity and contradictions of a war that has cost thousands of lives, billions of dollars and that has not yet ended. It is also a brave and lucid testimony of the mistakes, successes, hopes and frustrations of those who participated in it. We invite you to read "Directorate S" and discover the truth behind the longest and most controversial war of our time.