Invisible Lines: Boundaries and Belts That Define the World PG_Gift_Guide Because archival practice differs among

Because archival practice differs among practitioners in different countries

Detailing this moment of unprecedented obstructionism by both the president and Republicans

and commuter trains are unreliable

Joe Walsh is as rock-ribbed a conservative as they come

the heart heeds no rules

Invisible Lines: Boundaries and Belts That Define the World PG_Gift_Guide Because archival practice differs amongAn indispensable guide to seeing and understanding our planet through the divisions we make, find, or feel. Our world has innumerable boundaries. They range from the obviousan ocean, or a mountain rangeto subtle differences in language or climate. We cross boundaries all the time, sometimes without realizing it. They can be subjective: our perceptions of a boundary may not be shared by others. And yet they shape the way we engage with the world.