Books like The Invisible Intruder

The Invisible Intruder by Carolyn Keene reads as suspenseful, curious. These 12 books share its genome — matched by how they actually read, not just their shelf label.

The Quest of the Missing Map

Carolyn Keene · 1942

Both explore investigation & friendship

90% genome match

The Mystery of the Invisible Thief

Enid Blyton · 1950

Both explore investigation & friendship

90% genome match

The Secret of Skeleton Island

Robert Arthur · 1966

Both explore friendship & secrets

85% genome match

The secret of the old mill

Franklin W. Dixon · 1927

Both explore friendship & secrets

85% genome match

The Gatehouse Mystery

Julie Campbell · 1951

Both explore friendship & secrets

80% genome match

The haunted lagoon

Carolyn Keene · 1959

Both explore investigation & friendship

88% genome match

The Secret Seven Win Through

Enid Blyton · 1955

Both explore friendship & secrets

86% genome match

The tower treasure

Franklin W. Dixon · 1927

Both explore investigation & courage

84% genome match

The Mystery of the Whispering Mummy

Robert Arthur · 1965

Both explore friendship & secrets

80% genome match

The phantom of Pine Hill

Carolyn Keene · 1965

Both explore friendship & investigation

87% genome match

Five Have a Mystery to Solve

Enid Blyton · 1962

Both explore friendship & investigation

85% genome match

The Disappearing Floor

Franklin W. Dixon · 1940

Both explore investigation & friendship

84% genome match