Get ready for more spooky fun from the best-selling authors of THE BAILEY SCHOOL KIDS. And you thought YOUR school was scary? These third-graders are haunted by a classroom full of GHOSTS! It's Nina's birthday and she's going to have the best birthday party ever. But someone or something is trying to scare Nina and her party guests. Did one of the classroom ghosts follow her home? Or is Nina's birthday party being haunted by something much scarier than a Ghostville ghost? Nina and her friends can't be sure. But they know one thing: It's time to bust these birthday bashers - once and for all!