The Half-Blood Prince's Secret

Sequel to Through Thick and Thin: Harry's now five years old, Sirius is getting married, Lily's pregnant again, and Remus is trying to catch Amelia Bones' eye. And in all the chaos of just everyday life, the Death Eaters are still trying to find their leader, Voldemort. But the secret of it all is in the bottom of James' desk, a book long forgotten in a dusty drawer.