Mexico City's best kept secret
Caza Libros English-speaking bookstore at Reforma Protected content , corner of Monte Auvernia in Col. Lomas de Chapultepec.
This is a non-profit organization that sells second-hand books for as little as 25 pesos to raise funds towards their mission of helping the less fortunate.
They always have books listed on the New York Times best sellers list, among other topics.
For those who enjoy reading, this is the place to grab a stack of books to enjoy whilst on holiday or find a rare book to buy as a gift.
Also, they have local and international English-speaking newspapers in the seating area to keep up with the news.
Here is their website Protected content