On this third book of the Ava & Carol Detective Agency series, fearless best friends Ava and Carol set out to prove that the Butcher house isn't haunted. Only, Carol is pretty sure she saw something inside one of the windows... The girls receive an ominous threat: Stay Away or Else! Now, more than ever, the girls are determined to find out who is trying to scare them away. But before they can continue their investigation, a string of mysterious robberies take place. The thieves simply vanish without a trace. Has been shelved under: Ava & Carol Detective Agency fans also love the following: