Although it can be read independently, it is strongly recommended to have read the "E syndrome" to fully appreciate this novel ... (not for enqête completely independent, but the characters and their evolution) We find Lucie Hennebelle and Sharko commander following the final event of the previous volume ... and the least we can say is that Thilliez spares no ... It's one of the points strengths of this novel: His two heroes, so bruised by life, skinned alive and so terribly human .... The second highlight is the unfolding of history, once again ... damn well conducted surveys with Lucia and Sharko, conducted in parallel and that continue to bring these characters towards each other .. . because although the tracks followed are different, they overlap regularly ... and everything comes together without some big strings we can see sometimes ... The third highlight is the scientific relevance of all this ... There, where the E syndrome would draw historical events, Gataca will take its substance into the genetic and scientific explanations very concrete, credible and explained .. Then it is dark, very dark even, but damn it's damn good, well written, and intelligently led ... Excellent