æz ɐ dɪzˈaɪnɚ, hˈɪkmən kəntɹˈɪbjuːɾᵻd mˈɛnɪəv ðɪ ˈɜːli kˈʌvɚz tə bˈɪɡ fˈɪnɪʃ pɹədˈʌkʃənz ˈɔːdɪˌoʊ ænd bˈʊk ɹˈeɪndʒᵻz.
As a designer, Hickman contributed many of the early covers to Big Finish Productions' audio and book ranges.