The Secret of the Mansion (Trixie Belden #1)

The Red Trailer Mystery (Trixie Belden #2)

The Gatehouse Mystery (Trixie Belden #3)

The Mystery Off Glen Road (Trixie Belden #5)

The Secret of the Mansion (Trixie Belden)

The Mysterious Visitor (Trixie Belden #4)

Trixie Belden and the Mysterious Visitor (Trixie Belden, Book 4)

Trixie Belden Boxed Set #1-#3

Trixie Belden and the Secret of the Unseen Treasure

The Red Trailer Mystery (Trixie Belden)

Mystery in Arizona (Trixie Belden #6)

The Mysterious Code (Trixie Belden #7)

Trixie Belden and the Mystery of the Uninvited Guest

Trixie Belden and the Mysterious Code (Trixie Belden, Book 7)

The Gatehouse Mystery (Trixie Belden)

The Black Jacket Mystery (Trixie Belden #8)

Trixie Belden and the Mystery of the Midnight Marauder (No. 30)

Trixie Belden and Mystery Off Old Telegraph Road (Trixie Belden #20)

The Happy Valley Mystery (Trixie Belden #9)

The Mystery Off Glen Road (Trixie Belden)

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