Osama bin Laden is dead but al-Qaida remains the CIAs number one threat. With branches in strategic hotspots from Yemen & Somalia to North Africa & an increasing influence among home grown jihadis in the West journalist & al-Qaida expert Abdel Bari Atwan investigates how the organisation has survived all attempts to destroy it. Al-Qaida after bin Laden has expanded its reach by cementing new alliances & exploiting the opportunities regional turmoil affords. The Arab Spring has opened new battlegrounds for jihadists particularly in Libya the Sahel Syria & Egypt. As the extremist zeal for a global caliphate shows no sign of abating Atwan profiles the next generation of foot soldiers & leaders & explores the new methods they embrace in the pursuit of jihad in a digital age.