It’s Christmas—so why not accept a dare to explore a creepy old haunted house? 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—and moments later, they are chased by a headless monster?! 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. Join Ava and Carol as they race against time to track down a headless monster terrorizing the neighborhood, solve the mystery behind the Butcher house and stop a band of ruthless thieves before they strike again! Has been shelved under: books for girls age 8-11 - christmas books 2018 - books for girls grade 3 - adventure books for girls 8-10 - christmas books for older children - mystery books for girls 8-10 - children's fiction adventure books age 8-10 - christmas mystery and suspense - christmas books for children 9 years old - christmas books for 2018 Ava & Carol Detective Agency fans also love the following: Zoey And Sassafras - The Mysterious Benedict Society - Choose Your Own Adventure - Big Nate - Spy School - Timmi Tobbson Adventure - Goosebumps - The Never Girls - Nancy Drew Mystery Stories - Gravity Falls - George's Secret Key - Cupcake Diaries A terrific middle-grade mystery adventure. - Evanna Great chapter book series with mysteries and humor alongside colorful characters. - Molly It reminds of Enid Blyton's classic series of "The Famous Five". - Claudia Wonderful mystery with a holiday twist! Christmas mysteries are ALWAYS a welcome addition to any book series, and this first holiday adventure for Ava & Carol does not disappoint! - Amy It's an extremely good book. These books are just plain fun to read. - Kandice Excellent Christmas read. - Martin