<p>Insurance mathematician Henri has his life under control, when a man from the past appears and a shady trio take over the adventure park's equipment supply company ? Things are messier than ever in the absurdly funny, heart-stoppingly tense second instalment in Antti Tuomainen's bestselling series?<br>'In these uncertain times, what better hero than an actuary?' Chris Brookmyre<br>'One of those rare writers who manages to deftly balance i...