Series statement taken from jacket.

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[A Grijpstra & De Gier mystery]

The deadly egg

Six this, six that

The sergeant's cat

There goes Ravelaar

The letter in the peppermint jar

Heron Island

Letter present

Houseful of mussels

Holiday patrol

Sure, blue, and dead, too

Hup three

The machine gun and the mannequin

The bongo bungler.

DeGier, Rinus (Fictitious character) > Fiction.

Grijpstra, Henk (Fictitious character) > Fiction.

Police > Netherlands > Amsterdam > Fiction.