TV MOB BOSS' DRUGGED-OUT FINAL DAZE!

Gandolfini made Sopranos set hell

SOPRANOS star James Gandolfini’s battle with the bottle — and disturbing drug abuse — caused chaos during the final seasons of HBO’s gangland hit, insiders snitch.

In a new memoir, On Locations, behind-the-scenes location scout Mark Kamine reveals Gandolfini — who was the face of the show as brutal mob boss Tony Soprano — became uncomfortable with his phenomenal fame and succumbed to his “personal demons” before the show ended in 2007.