Wilson John’s book takes a close look at Pakistan-based Lashkar-e-Tayyeba and exposes its links with the ruling establishment in Islamabad, writes Ved Marwah Today, Islamist terrorists pose the most serious threat to world peace. The September 11 attacks shook the US out of its complacent belief that Al Qaeda and other jihadi outfits had a limited agenda and the Western world was safe from their barbarous brand of terrorism.