hˈæflaɪf ɪz wˈʌn ʌvðə fjˈuː bˈʊks sˈɪns ðə dˈɑːktɚ lˈɔst hɪz mˈɛmɚɹiz ˈæftɚ ðɪ ˈænsɛstɚ sˈɛl tə pɹəvˈaɪd sˌʌm dʒˌʌstɪfɪkˈeɪʃən fɔːɹ hɪz fˈeɪlɪɹ tə tɹˈaɪ tə ɹᵻɡˈeɪn ðˌɛm.
Halflife is one of the few books since the Doctor lost his memories after The Ancestor Cell to provide some justification for his failure to try to regain them.