Franka is a female art detective who started her career as a secretary at the The Criminology Museum in 1974, she was by far the most popular character of the ensemble and from volume 2 onward she was the main character. She started her own detective agency around volume 13.
This is the original Dutch series and her albums are also published in Danish, French, German, Norwegian, Spanish and Swedish.
The issues of Franka have had several publishers:
Issues 1 to 8 by Oberon BV
Issues 9 to 15 by Big Balloon
From issue 16 by Franka