The book is a narrative about an elderly man who, isolated in his home during a rainstorm in the Swiss Alps, reflects on his life, mortality, and the human condition. The protagonist spends his time reading encyclopedic entries and clipping them to his wall, creating a mosaic of human knowledge and history. The narrative is interspersed with these entries, presenting a blend of fiction and non-fiction, and exploring themes of memory, time, and the fleeting nature of human existence.

"Jerome" is a dark and unsettling novella that delves into the life of its eponymous protagonist, a reclusive, grotesque, and morbidly obese librarian who lives in a decrepit apartment. His existence is one of grim routine and perverse fantasies, as he harbors an unhealthy obsession with the young daughter of his landlord. The narrative explores the depths of Jerome's alienation and psychological torment, painting a bleak portrait of a man consumed by his own depravity and the suffocating confines of his solitary world. The book is a stark examination of loneliness, despair, and the human condition, rendered with a visceral intensity that leaves a lasting impression.