Trixie Belden

The Secret of the Mansion

1948

The Red Trailer Mystery

1950

The Gatehouse Mystery

1951

The Mysterious Visitor

1954

The Mystery Off Glen Road

1956

The Mystery in Arizona

1958

The Mysterious Code

1961

The Black Jacket Mystery

1961

The Happy Valley Mystery

1962

The Marshland Mystery

1962

The Mystery at Bob-White Cave

1963

The Mystery of the Blinking Eye

1963

The Mystery on Cobbett's Island

1964

The Mystery of the Emeralds

1965

The Mystery on the Mississippi

1965

The Mystery of the Phantom Grasshopper

1970

The Mystery of The Missing Heiress

1970

The Mystery of the Uninvited Guest

1977

The Secret Of The Unseen Treasure

1977

The Mystery Off Old Telegraph Road

1978

The Mystery of the Castaway Children

1978

The Mystery at Mead's Mountain

1978

The Mystery of the Queen's Necklace

1979

The Mystery at Saratoga

1979

The Sasquatch Mystery

1979

The Mystery of the Headless Horseman

1979

The Mystery of the Ghostly Galleon

1979

The Hudson River Mystery

1979

The Mystery of the Velvet Gown

1980

The Mystery of the Midnight Marauder

1980

The Mystery at Maypenny's

1980

The Mystery of Whispering Witch

1980

The Mystery Of The Vanishing Victim

1980

The Mystery Of The Missing Millionaire

1980

The Mystery of the Memorial Day Fire

1984

The Mystery of the Antique Doll

1984

The Pet Show Mystery

1985

The Indian Burial Ground Mystery

1985

The Mystery of the Galloping Ghost

1986