This is Volume 8 of the 'Tout Simenon' collection, published by Presses de la Cité in 1989 as part of the Omnibus series. This volume features several classic works by Georges Simenon, including:

* Maigret et le corps sans tête
* La boule noire
* Maigret tend un piège
* Les complices
* En cas de malheur
* Un échec de Maigret
* Le petit homme d'Arkhangelsk
* Maigret s'amuse

The book is in French and includes a collection of novels, many featuring the iconic detective Inspector Maigret. It's a great addition for collectors of Simenon's work or fans of classic French crime fiction.