Pazhangala Thamizhar Vaanigam / பழங்காலத் தமிழர் வாணிகம்

This book 'Sangam Kalath Tamilar Vanikam' deals with the trade conducted by Tamils during the last Sangam period (ie from the second century BC to the second century AD). The ancient Tamils of that time traded from the Ganges (Patalipuram) in the north to the east and west in the north of India, and in the east beyond Tamil Nadu with Sri Lanka, Chavaka Nadu (East Indies), Malaya, Burma and other overseas countries. Tells about the trade made with the countries of Samrach Siam (Greece). The ancient commercial news was based on Sanskrit texts. And with evidence from the writings of the Greek author Ptolemy, Pliny, etc.