Inherent Vice by Thomas Pynchon

Set in the psychedelic haze of 1970s Los Angeles, the story follows private investigator Doc Sportello as he navigates a tangled web of crime, corruption, and conspiracy. When his ex-girlfriend Shasta Fay Hepworth reappears, asking for help with a plot involving her current billionaire boyfriend, Doc becomes embroiled in a chaotic mix of hippie culture, surf music, and shadowy organizations. As he delves deeper into the mystery, Doc encounters an array of eccentric characters, each with their own secrets, leading him on a surreal journey through a city teetering on the edge of change. The 9896th greatest book of all time