In this spin-off series from My Sister the Vampire, a new set of twins will have readers howling with laughterTo their classmates, Daniel and Justin are identical twin brothers. But in fact they couldn't be more different. On their 13th birthday, one is destined to turn into a werewolf. This full moon is going to change everything. Will Riley and Debi find out the boys' secret? And what will happen to the band?
