Gadzira shanduro yakaoma kunzwisisa yemutsara uyu Kutanga muma1960, Parks akavhura mabhuku, achinyora'' The Learning Tree'' (1963).
Chokwadika, shanduro yakaoma kunzwisisa zvikuru yemutsara wacho ndeiyi "Kutanga muma 1960, Parks akabatanidzwa mumabhuku, achinyora '' The Learning Tree'(1963), mabhuku anoverengeka ezvinyorwa akaenzaniswa nemifananidzo yake, uye mabhuku matatu ezvinyorwa zvake".