For decades, Graeme S. Mount taught a course on twentieth-century global history. Lesson preparation and research took him to all continents, and he pursued a lifelong interest in international borders. Most border crossings were uneventful, others highly memorable. These pages recount his most noteworthy adventures at, and along, international borders.

The stories are timely. Borders, border controls, and the absence of border controls have repercussions on the lives of ordinary people.

Graeme S. Mount is the author of thirteen books, the most recent being "895 Days That Changed the World: The Presidency of Gerald R. Ford "(2005).