Did you know that the last Gallic warriors massacred by the Romans lie beneath the Eiffel Tower? That the remains of Paris first cathedral are under a parking lot in the Fifth District? Metronome follows Lorant Deutsch, historian and lifelong Francophile, as he goes on a compelling journey through the ages, treating readers to Paris as they ve never seen it before. Using twenty-one stops of the metro system as focal points - one per century - Deutsch shows, from the underground up, the unique, often violent, and always striking events that shaped one of the world s most romanticized city. Readers will find out which streets are hiding incredible historical treasures in plain sight; peer into forgotten nooks and crannies of the City of Lights and learn what used to be there; and discover that, however deeply buried, something always remains.