M.P. Charlesworth
Trade Routes and Commerce of the Roman Empire (2nd Edition)Note that only Chapter 12 from this book has been uploaded thus far. If any other chapters are of particular interest to you ten please do e-mail me.
One. Italy and the Establishment of the Empire
Two. Egypt
Three. Syria
Four. The Sea Route to India and Ceylon
Five. Asia Minor
Six. The Overland Route to China and India
Seven. Greece
Eight. Africa
Nine. Spain
Ten. Italy and the Northern Frontiers
Eleven. Gaul
Twelve. Britain