At long last, Helen Hoang's highly-anticipated new novel The Heart Principle is finally being released after a pandemic delay. And yes, it's definitely worth the wait. Hoang's latest romance follows violinist Anna Sun as she deals with burnout and a boyfriend who wants an open relationship. Anna quickly decides if her boyfriend is going to see other people she is too, but what she doesn't expect is to fall hard for her avid motorcyclist one-night stand, Quan Diep.