Yokwo kwir 1-2 [trial primers], 31, 41 pp. (50) Michael Wantawi and others, trs., 1985. Niiwi pai niiwipaini niiwig-im (Many different stories by Aesop, tr. into Tok Pisin by Shirley KILLOSKY and others) [Sepik Iwam-Tok Pisin-English triglot], 52 pp. (200) ISBN 9980-0-0158-5 [LRF] Samson Amino, tr., 1983. Hu yinsisim oumin (Three little pigs) [triglot with Pidgin and English], ed. by Shirley KILLOSKY, 34 pp. (200) ISBN 0-7263-0893-5 Samson Yaka, 1975. Yokwokwir 1 [trial primer], ed. by Pol Kwarin and Marilyn LASZLO, 96 pp. (80). 1st edn. 1976
Yokwo kwi 4 [trial primer], ed. by Pol Kwarin and Marilyn LASZLO, 92 pp. (60). 1st edn. 1976, 97 pp. (300) ISBN 0-7263-0400-X Tom Mowikam and Zechariah Naii, trs., 1985. Kwoin whwoimairni niwigin (The three wishes, tr. into Tok Pisin by Zechariah Naii and Ruben Meiyo) [reader]
Yokwo kw<s (Primer 2), 168 pp. (200) ISBN 9980-0-0596-3 Meiyo, Ruben, Zechariah Naii and Tom Mowikam, trans., 1984. Litel ret reiding hud (Little Red Riding Hood) [triglot storybook], 36 pp. (400) ISBN 9980-0-0010-4 [LRF] Mowikam, Tom and Zechariah Naii, trans., 1984. N<nomora <ni n<kiinaiiniya (The sky is falling) [triglot storybook]