In order to refrain from self-promotion, he has not put his surname on any of the books he has written over the last 40 years.
ɪn ˈɔːɹdɚ tə ɹᵻfɹˈeɪn fɹʌm sˈɛlfpɹəmˈoʊʃən, hiː həznɑːt pˌʊt hɪz sˈɜːneɪm ˌɔn ˌɛni ʌvðə bˈʊks hiː hɐz ɹˈɪʔn̩ ˌoʊvɚ ðə lˈæst fˈoːɹɾi jˈɪɹz.