Sandcastles - A Van Der Valk Thriller Author:Nicolas Freeling A Van der Valk Thriller - Crime and corruption ooze from the dark corners of small towns and no one understands this more than Police Inspector Van der Valk. But small town isn't Jan Rijk, a right-wing criminal whose connections with the underworld may be devastating to the lives of small town people. What can Van der Valk do to stop him?