Eun Ji Koh was a typical Californian teenager before her immigrant parents surprised Koh and her brother with some startling news. Her father had been offered a far more lucrative job back in Seoul than he could ever expect to be offered in the US. It isn’t uncommon for immigrants to return to their countries of birth for better employment opportunities, but in this case Koh and her brother would be staying behind.

As Amaryllis Fox’s memoir opens, she is walking through the back alleys of Karachi when she senses a man following her. What she doesn’t write then is that she has an infant daughter back home in Shanghai, cared for by her CIA undercover agent husband. Fox is also an undercover CIA agent but one who doesn’t travel on diplomatic passports or enjoy the protection or cover of embassies and consulates. These agents operate “in the field” as aid workers or businessman without any hint of government connection. In Fox’s case, her cover is a dealer in Asian, Middle Eastern, and African art.

Globalization usually means manufacturing. But globalization reaches into other realms, even waste disposal as Adam Minter wrote in his debut book, Junkyard Planet. In his new book, Secondhand, he investigates what happens to material goods we donate after we’re done using them and travels throughout North America, Asia, and Africa to explore how different countries reuse discarded items.