Marchenko gained international fame in 1969 through his book, My Testimony, an autobiographical account written after his arrival in Moscow in 1966 about his then-recent sentences in Soviet labour camps and prisons.
Marchenko meraih ketenaran internasional pada 1969 nelalui bukunya, My Testimony, sebuah catatan autobiografi yang ditulis setelah ia datang ke Moskwa pada 1966 tentang hukumannya di kamp buruh dan penjara Soviet.