ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti tˈuː, ʃˈʌlθeɪz bˈʊk nˈaɪt lˈɛɾɚz: ɪnsˈaɪd wˈɔːɹtaɪm æfɡˈænɪstˌæn, wʌz pˈʌblɪʃt, ɔnðə tˈɑːpɪk ʌvðə sˈoʊviət ˈæfɡæn wˈɔːɹ, wˌɪtʃ hiː kˈʌvɚd ɪn pˈɜːsən æz ɐ dʒˈɜːnəlˌɪst.
In 1992, Schultheis' book Night Letters: Inside Wartime Afghanistan, was published, on the topic of the Soviet–Afghan War, which he covered in person as a journalist.