The series is No. 1 at the introductory level (accessible without the study of prior units / approx. international baccalareate (GCSE /AGCSE) level * 1 Nostalgia, memory and roots. * 2 Beginnings. * 3 Histories in common. Common histories. * 4 How we speak. * 5 European empires in the Americas (aka colonial period). * 6 Historians in exile: the search for justice in the new world. * 7 Natural world. * 8 Threads of creative communication: From khipus to the . . . . . * 9 Developing economics. * 10Round-up.