In Katsa's world some people are born with a gift known as a grace. Every grace is different and Katsa has been blessed and burdened with a grace for killing.
Fantasy and romance mixed together with a pretty even blend of each. One of my all-time favorites.
There are 3 books in the Graceling Realm, but they don't read like a standard trilogy. I highly recommend reading them all and in order but you don’t have to.