“Recommend” or “talk about how much we both love them”. I am guessing the DCIB self-selected community has very similar fantasy book tastes, so if you say what your favorite series is, someone else is going to say “OMG, I love that series, so-and-so is my favorite character, it’s so great how her friendship with such-and-such is shown”. Because we all like Indian film, and most likely the things we like in it are the same things we like in books.