Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla Tun daga farkon shekarun 1960, Parks ya shiga cikin wallafe-wallafen, ya rubuta'' The Learning Tree'' (1963).
Tabbas, wani nau'i mai mahimmanci na jumla shine "An fara a cikin shekarun 1960, Parks ya shiga cikin wallafe-wallafen, ya rubuta''The Learning Tree''(1963) ', littattafai masu yawa na shayari da aka kwatanta da hotunan kansa, da kuma kundin littattafai uku. "