Isiokwu Ya na Ya Yiri w03 5/1 p. 8-13 Ị̀ Na-ajụ, Sị, “Olee Ebe Jehova Nọ?” “Unu Ga-enweta Ụgwọ Ọrụ Maka Ọrụ Unu” Ụlọ Nche Ikwupụta Alaeze Jehova—2012 Jiri Obi Gị Niile Na-efe Jehova Ụlọ Nche Nke Na-ekwusa Alaeze Jehova (Nke A Na-amụ Amụ)—2017 Jiri Oge E Nwere Udo Mee Ihe Ndị Bara Uru Ụlọ Nche Nke Na-ekwusa Alaeze Jehova (Nke A Na-amụ Amụ)—2020 Ụmụ Okorobịa, Olee Otú Unu Ga-esi Mee Ka Ndị Ọzọ Tụkwasị Unu Obi? Ụlọ Nche Nke Na-ekwusa Alaeze Jehova (Nke A Na-amụ Amụ)—2021 Otú Jehova Si Abịaru Anyị Nso Ụlọ Nche Ikwupụta Alaeze Jehova—2014 Ị̀ Ga-echebara Ihe Ndị E Dere n’Oge Gara Aga Echiche? Ụlọ Nche Nke Na-ekwusa Alaeze Jehova (Nke A Na-amụ Amụ)—2017 Na-anụrụ Ụlọ Jehova Ọkụ n’Obi! Ụlọ Nche Ikwupụta Alaeze Jehova—2009 Isi Ihe Ndị Sitere n’Akwụkwọ Ihe E Mere nke Abụọ Ụlọ Nche Ikwupụta Alaeze Jehova—2005 Ugbu A Bụ Oge Ịchọ Jehova Ụlọ Nche Ikwupụta Alaeze Jehova—1991