Border studies offers the similar field of museum studies new ways to think about the museum's role in creating, patrolling, guarding, mitigating and erasing borders. The concept of bordering introduces the notion of the border as a liminal zone. This is invaluable for thinking about the borders museums have created, many of which have subsequently been contested. Borders have the power to enact violence against the citizen. This chapter explains that this book is a journey through the changing acts of bordering performed in the museum around knowledge and memory. It outlines these borders and maps out the trajectory of the book.