It's hard to remember when in the midst of one, but terrorism campaigns do always end. Audrey Kurth Cronin, author of How Terrorism Ends, recommends the best books on terrorism.

Terrorism is a misused, overused term. Correctly used, it refers to a specific form of asymmetric warfare. The Northern Ireland peace negotiator tells us how and why it starts and what can end it.

The war on terror relied on a fundamental misunderstanding of the nature of the threat, say author and academic Malise Ruthven. He picks the best books to get a better understanding of Islamism.

Many thought that 9/11 was the start of an Al-Qaeda assault on the West, but it turned out to be Bin Laden’s Pearl Harbor – a victory that led to strategic defeat – says Peter Bergen, one of the few reporters who met the Saudi-born militant.

Jason Burke, journalist and author of an acclaimed book on Al-Qaeda, tells us what he learnt about militants when he was caught in a firefight in Iraq—and suggests five books we should read to understand their motivations.

The award-winning BBC documentary maker Peter Taylor tells us what he learned in his ten years investigating Al-Qaeda, and suggests what we should read to understand where the group came from, and what it’s still trying to do

Director of Landmine Action who served in British army with the Black Watch, talks crime and terror and explores the extent to which al Qaeda is the creation of the Pakistani Intelligence Services backed by Saudi money

The Professor of Strategic Studies at Johns Hopkins University picks five books you must read to understand the War on Terror, starting with one that tries to define what terrorism is.