I Walked the Line is a chronicle of first love, long-kept secrets, betrayal, forgiveness, and the truth—told at last by Vivian Liberto Cash, Johnny Cash's first wife and the mother of his four daughters.

This powerful memoir had the full support of Johnny Cash, who insisted it was time for their story to be told, despite any painful revelations or personal cost that might come to light as a result.

Many myths and contradictions regarding the life of Johnny and his family have been perpetuated for decades in film and literature. Vivian, a once-fogotten voice in music history, exposes previously untold stories involving Johnny’s drug addiction, his fraught family life, and their divorce in 1968, as well as the truth behind the writing of two of Johnny’s most famous songs, “I Walk the Line” and “Ring of Fire.”

Supplemented by a never-before-published archive of love letters and family photos, I Walked the Line offers a deeper look at one of the most significant artists in music history. Here, fans and readers can experience the extraordinary account of love and heartbreak between Johnny and Vivian, and come to understand Vivian's dignified silence over the years and life in Johnny’s shadow. Through this elegant and revealing memoir, Vivian Cash’s voice is finally heard.