Summary
It's Harry's sixth year at Hogwarts and to Hermione's dismay, he has discovered that his secondhand Potions book's previous owner left the secrets to being a potions master scribbled upon it's pages. Now, Hermione has decided to prove that she is better than this 'Half-Blood Prince' and make Harry wish that he had never found that book. Trouble is, she's doing a horrible job of it.