Disclaimer: i dont own PJO or HP. Hermione Granger's half sister combines the world of Harry potter and Percy Jackson together with a bit of Twilight. Cathy Granger is sent back to where she was born, America, and sets out to figure out who her mother is and why her mother abandoned her with Cathy's stepmother and father. This takes place during lightning thief and before halfblood prince. THERE IS A SEQUEL Split Life of War.
17 parts