10 books in series

Van der Valk

Van der Valk is a 10-book series with 10 primary works first released in 1962 with contributions by Nicolas Freeling.

Love in Amsterdam
Because of the cats
Gun Before Butter
The King of the Rainy Country
Strike Out Where Not Applicable
Tsing-Boum
The Lovely Ladies
Auprès de ma blonde
The Widow
Arlette