The new book by singer / songwriter of Dionysus is still a great achievement. This "heart of Mechanics" perfectly explores the intricacies of love in humans. More than a simple tale, Mathias Malzieu auscultates loving relationships, and their extreme complexity. The history of this Little Jack once again immersed in a world close to that of Tim Burton (and coverage is very reminiscent of the iconography of "The Nightmare Before Christmas Jack" which Burton is the producer). Yet it is hard not to identify with the various protagonists of the story; each finding the sensations he felt during a stormy relationship. The poetry that emerges from this novel makes really beautiful story ... and a little sad! But that sadness is never black, thanks to the tonic Malzieu writing. It only remains to wait for the concert to shape this story!