Paperbacks in Spanish are what you come to Yenny for
Yenny at Aeroparque Jorge Newbery sits in the public area before security, so you can stop in even if you’re just meeting someone or waiting on a delayed AR flight. It runs through typical daytime flying hours; think roughly 9:00 to 21:00, though smaller airport shops here sometimes close a bit earlier on Sundays. If you want reading material in Spanish for a 2–3 hour hop to Mendoza or Córdoba, this is the most practical option in the terminal.
The focus is books in Spanish: contemporary novels, local authors, plus kid-friendly titles you can throw in a carry-on. You’ll see a few basic travel guides and crossword or sudoku magazines near the entrance. Prices track normal Buenos Aires high-street bookstore levels, not airport-gouge; expect paperbacks in the ARS 9.000–18.000 range depending on thickness and publisher.
Non-book stock is light but useful. There are usually notebooks, planners, pens, and small gifts with Buenos Aires themes. If you forgot a pen for immigration forms or want a quick ARS 5.000–10.000 souvenir, this beats the more touristy stands closer to the check-in banks. Snacks and drinks are not the point here; you’ll need to hit a café or kiosk elsewhere in AEP for that.
Tip: browse and buy before heading through security, since once you’re past the AEP checkpoints, your book options shrink to a couple of magazine racks with less choice and similar prices.