Cody, Quinn, Luke, M.E., and Mika are the Code Busters--clever clue hunters with a passion for puzzles. It's Luke's birthday and the group of friends are thrilled to be going to the Winchester Mystery House. They look forward to touring the mansion with over one hundred rooms, doors that lead to nowhere, and possible ghosts. But when the Code Busters search for a girl who's lost in the mansion, they must avoid getting caught! Will the Code Busters be able to find the girl and avoid getting caught by the supposed security guard? Can you crack the code? Test your brain with the Code Busters to see if you have the right stuff to be an ace detective. Answers are in the back, if you ever get stuck. For more code-breaking fun, visit www.CodeBustersClub.com and join the club!