In 2nd century AD Egypt, the legendary Greco-Roman scientist Claudius Ptolemy put the extent of the known world onto paper. From his home in Alexandria, he gathered reports from sailors who had made perilous journeys to India and possibly beyond. Though details were sparse, a voyager named Alexander described a distant port called Kattigara on the Sinus Magna (Great Gulf) to the east of the Golden Chersonese peninsula - widely considered to be mainland Malaysia. Halfway across the world around the same time, the bustling seaport Oc Eo was part of the flourishing Funan Kingdom, the earliest known pre-Angkorian civilisation...