Trixie Belden and The Mysterious Code

Principal Stratton wants to get rid of all clubs in Sleepyside High School, including the Bob-Whites! The only way they can save their club is to prove that they help out other people, too. Trixie quickly comes up with a plan to host a benefit antique show and sale. But are the precious antiques in danger from thieves?

• The Mystery in Arizona
• The Black Jacket Mystery (Trixie Belden #8)
• The Mystery off Glen Road
• Trixie Belden and The Mysterious Visitor
• The Happy Valley Mystery
• The Red Trailer Mystery
• The Gatehouse Mystery
• The Secret of the Mansion
• The Marshland Mystery (Trixie Belden #10)
• The Mystery at Bob-White Cave (Trixie Belden #11)