There has been data ("Aplia Printed Access Card for Bulliet/Crossley/Headrick/Hirsch/Johnson/Northrup's The Earth and Its Peoples, Brief Volume I: To 1550: A Global History, 6th") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Mon Jul 1 04:00:45 2019, so the data displayed here has been removed .