Readers generally appreciate 'Fils de personne' for its intriguing plot and well-drawn characters, particularly noting its modern yet traditional detective style reminiscent of Simenon's Maigret. While the book garners praise for its engaging narrative and thematic depth concerning filiation, some readers find the writing style awkward and the dialogue stilted. The dual investigation storyline captivates many, though a few mention a slow start before the plot picks up pace.

👍 Engaging dual investigation plot.

👎 Some find the writing style awkward.