2: Softcore romance novels that are basically the scripts for porn, but more 18th century and cheesy.
2: They're the paperbacks in the shitty bookstores, often featuring Fabio on the covers, shirt unbuttoned, hair billowing in the wind.
In a sentence*-
Girl 1: Look, there's a shitty bookstore!
Girl 2: Let's go in and get some lady porn!
Girl 1: Yay!
*note: definitions are interchangeable