https://www.amazon.com/Periplus-Erythraean-Sea-Merchant-Century/dp/8121506999/ref=sr_1_3?dchild=1&keywords=Roman+trade+indian+ocean&qid=1590936507&sr=8-3
https://www.amazon.com/Roman-Empire-Indian-Ocean-Kingdoms/dp/1526738074/ref=sr_1_2?dchild=1&keywords=Roman+trade+indian+ocean&qid=1590936563&sr=8-2
It SHOULD be called the Silk Road Sea Lanes.