Kohoro ka Magũrũ-inĩ
a The Finished Mystery rĩarĩ ibuku rĩa mũgwanja harĩ mabuku marĩa meetagwo Studies in the Scriptures. Kabuku ka “ZG” gaacabĩtwo karĩ riuma rĩa The Watch Tower ya Machi 1, 1918. “Z” yarũgamagĩrĩra Zion’s Watch Tower, nayo “G” ĩrĩa nĩ ndemwa ya mũgwanja harĩ alphabet, yarũgamagĩrĩra ibuku rĩa mũgwanja.