L'agence des Invisibles #1

This volume kicks off the L'agence des Invisibles series, introducing the first investigation by a team of unconventional detectives who specialize in cases involving the unseen. In Enquête 1: Friedrich Müller, the agency takes on a mystery centered around a German figure, blending historical intrigue with a touch of the supernatural. Published by Philéas, this is the first collected edition of the series, setting the stage for the agency's unique brand of sleuthing.