If you're looking for a good old-fashioned police procedural with a genuine puzzle element then you need look no further than Baanjer, the most widely read Dutch author, and DeKok his eccentric detective. The Amsterdam setting was another real plus for me.
'Objectivity,' he said finally, 'Objectivity is overrated. Objective people often keep their emotional distance, losing their humanity in the process. Humanity should be the prime requisite for a policeman. Without it, we would be machines - heartless, soulless automatons.' He paused. 'No,' he added, 'that would never do.'