I actually really enjoyed the plot of this, and it felt the closest to a real life monster of the week from the TV show. The characters felt authentic, the plot didn't feel too shoehorned or elongated to fill a whole book.

The one downside was the characterisation of Anya - she was so one dimensional it was insulting. She was more like April the robot being absolutely obsessed with just finding Xander. But that was the only real downside.