if you like jean aillon, you end up with pleasure the characters in this 17th century Paris (actual) and discover other fictional characters that make this historical crime series a real treat. The beginnings of the French police under Colbert headed, Nicolas de La Regnie, and the beginnings of the underground police, spying on the whole, with an extremely intelligent person who solves the puzzles thanks to very Cartesian after all deductions , the description of this Paris of the Sun King make this book a historical collection and a detective story full of charm. A little happiness.
