Antti Tuomainen

A cold-blooded killer strikes at the hottest moment: the new head of a sauna-stove company is murdered. . . in the sauna. Who has turned up the temperature and burned him to death? The evidence points in the direction of Anni Korpinen - top...

Insurance mathematician Henri Koskinen has just restored order in his life as well as in the adventure park he now owns, when a man from the past appears - and turns everything upside down again. More problems arise when the park's equipment supplier...

What makes life perfect? Insurance mathematician Henri Koskinen knows the answer because he calculates everything down to the last decimal. And then, Henri is faced with the incalculable. After suddenly losing his job, Henri inherits an adventure park...