In her view, the unwritten rules of office life are a labyrinth in which even French employees can easily get lost — so this summer she followed up her first success with Le Carnet du Savoir-Vivre au Bureau (The Notebook on Office Manners).

Two years ago she decided to condense into book form all the advice she had been offering to friends, family and colleagues.Le Carnet du Savoir-Vivre (The Notebook on Manners) was an instant success and Caracalla became a sort of national arbiter on social etiquette.