They were the most successful band critics loved to hate. Between 1969 and 1976, Grand Funk Railroad sold over twenty million albums, shattered attendance records, and became the voice of working-class America while music journalists declared them the worst thing to happen to rock and roll. This is their complete story. From the automotive factories of Flint, Michigan, Mark Farner, Don Brewer, and Mel Schacher created a sound that was raw, loud, and unapologetically American. They filled stadiums before Led Zeppelin mastered the feat, outsold the Rolling Stones, and proved that three guys with guitars could speak to millions without critical approval. Their explosive debut at the Atlanta Pop Festival launched a phenomenon that defied every rule about how rock stardom was supposed to work. But success came with a price. Ego, money, and mounting tensions tore apart what poverty and critical hatred couldn't destroy. Legal battles, failed reunions, and competing tours over their legacy revealed the human cost of achieving the American dream. This definitive biography chronicles Grand Funk's meteoric rise, spectacular implosion, and complicated aftermath. It's a story about authenticity versus commercialism, working-class pride against establishment dismissal, and three talented musicians who conquered the world before learning that some victories are temporary and all partnerships are fragile.