Books with title Class 9 and the Monsters from the Portal

Class 9 would like to have some fun, after all they've spent the school year fighting monsters first from Outer Space then from Under the Sea. What could be better than the Halloween Disco where the monsters are only pretend. (Or are they!!?? )Put on your scary costume, paint your face and head on down to Pinkerton Primary School. “The Monster Mash” is about to play!

Class 9 would like to have some fun, after all they've spent the school year fighting monsters first from Outer Space then from Under the Sea. What could be better than the Halloween Disco where the monsters are only pretend. (Or are they!!?? )Put on your scary costume, paint your face and head on down to Pinkerton Primary School. “The Monster Mash” is about to play!