Isiokwu Ya na Ya Yiri w04 2/15 p. 3-4 Okpukpe—Ọ̀ Na-enwe Mmetụta Dị Mma Ka Ọ Bụ nke Dị Njọ? Ọ̀ Bụ Okpukpe Na-akpata Nsogbu nke Ihe A Kpọrọ Mmadụ? Ụlọ Nche Ikwupụta Alaeze Jehova—2004 Okpukpe Ọ Bụla Ọ̀ Dị Nnọọ Mma? Ụlọ Nche Ikwupụta Alaeze Jehova—1991 Ikpe Okpukpe Dị Ọcha Maka Nlanarị Ụlọ Nche Ikwupụta Alaeze Jehova—1991 Inwere Onwe Onye Pụọ n’Okpukpe Ụgha Ụlọ Nche Ikwupụta Alaeze Jehova—1991 A Ga-ebibi Okpukpe Ụgha n’Oge Na-adịghị Anya! A Ga-ebibi Okpukpe Ụgha n’Oge Na-adịghị Anya!