"I was just another promise you couldn't keep, Jacob." ~ Internet famous Jacob Sartorius had a good life: he had a great best friend, loyal fans, and a beautiful girlfriend whom he loved, Brittany Gavins. But all of that changes when new girl Caroline "Carly" Tyler comes to town. Drama sprouts, friendships fall apart; new relationships are born and others die; and promises are broken. In this sequel to 'This Boy, Jacob Sagittarius', will the strongest relationship between Jacob and Brittany survive through it all? Third book in the 'Sartorius Sectors' First Book: Vine Love Second Book: This Boy, Jacob Sagittarius Fourth Book: Just Friends...For Now

The new girl meets Jacob and they start dating. Then they have to keep there relationship strong. There's only one problem, Jacob's ex.

Part Two! Do not read until you've read all of Chasing Sartorius! Maddy Johnson considered herself to be invisible, until one day, Jacob, the hottest boy in school glanced in her direction! What could possibly go wrong?