The book progresses by first establishing the fundamentals of ancient trade routes and agricultural practices. It then investigates the growth of trade networks in Mesopotamia, the Mediterranean, and East Asia, detailing the specific goods traded and their cultural impacts. It draws upon archaeological findings, ancient texts, and archaeobotanical studies to support its arguments.
The book differentiates itself by integrating archaeological, textual, and scientific data to provide a comprehensive understanding of ancient food systems, offering a nuanced view beyond a simple list of traded goods.