The Snake Bites Back [Second book to One Hundred Ways]

Danger! Romance and maybe a few broken hearts. Why? Because of a book! A book that should remain locked in the darkest vault, One Hundred Ways To Annoy Snape.
The Potion Master has one copy; Jen has one copy but what if the third fell into the wrong hands? Voldermort's hands! Jen and Rock busy trying to avoid death by Snape they may need to also try and avoid death by one very annoyed and pissed off Dark Lord.
But who has he set his sights on this time? Jen the smart and witty young woman who would defend herself to her death. Rock Lula Riddle, his daughter. The one thing he sees as failure, the one thing he would love to correct or Severus Snape. The man who is the ultimate pretender, a double agent? A man out for revenge on the young Slytherin and Ravenclaw....
A Snake that bites back!
Voldermort is spoilt for choice but whoever he decides to take there are two people who will fight him to the death to prevent his twisted plans... But just who are those two people going to be?