A Grijpstra & De Gier Mystery The thirteenth novel in the famed Amsterdam cop series finds Grijpstra is about to be retired from the Amsterdam police force when a policeman comes to him for help. A corpse has been found in New York's Central Park and although the local police don't agree, he fears his elderly uncle has been murdered. As Grijpstra will be attending a police convention in New York he agrees to make enquiries and a lot more comes to...