Section 3 - Marius
Book Seven - Patron-Minette
This book describes the Parisian underground and details the characteristics of its four chief villains of the time, Claquesous, Gueulemer, Babet and Montparnasse. It was to these men that schemers brought their insidious plans in order that they might reach fruition.

Analysis
The men that are introduced in this section are criminals who for a price will commit any type of crime. They take on an importance later on in the story when Thenardier uses their service and eventually teams up with them.