this book, from the scooby-doo and you series, is about how the gang goes to a medieval tournament and end up looking for a ghost. the ghost is after who ever wears the crown of king arthur, and someone just put it on. if the knight stays one step ahead of the gang, how will they ever solve this mystery? read on and find out!
the best part of the book is that it is written so you can keep track of all the clues and suspects and try to figure out who the moster is on your own!