Linguistic intelligence, a self-help novel

While in Washington to receive a delicate assignment from the president of the United States, Paul Loris, an expert in linguistic intelligence and human behavior, is contacted by God himself, who entrusts him with a new mission to save the world.
Forced to juggle between a president in a crisis of consensus and a close negotiation with the Prince of Darkness, Paul Loris must resort to all his skills, ending up involving the reader in a real training course on the secrets of profiling and the...