A story following two points of view that works beautifully

It's really a coincidence that I bought this book and I left long drag before starting playback. Admittedly, the French authors narrating detective stories taking place in North America, it always leaves me somewhat skeptical. But let's go further through this a little strange.

The early history is a bit complex to follow and offers a cutting next two, Iris the technique of forensic and other Silence whose story begins in the early 20th century. Although this is relatively conventional narrative structure, I confess I got carried away by history and even if we feel that both stories are going to meet, 80 pages before the end of the story, I wondered how these two stories could converge and it works despite my various fears. Without giving a hint of the plot, the author gave us a pretty amazing final.