LIncwadi yakhe yokuqala ebhalwe nguZakaria Sitchin, i-12th Planet, yathunyelwa ngonyaka we-1976 e-United States. Ngokushesha uhlangabezane nempumelelo ekhangayo: okokuqala ngqa, uchwepheshe wezindaba zezinganekwane zaseMesopotamiya, okwazi ukuqinisekisa imibhalo emthonjeni, waba nesibindi sokubona kuwo ngaphezu kwesithelo somcabango ongavinjelwe. KuSitchin, bekungenakwenzeka ukuthi ababhali ngobumba lwalezi zincwadi ezisebhayibhelini ngaphambi kwencwadi bangaphefumulelwa ngesiko lomlomo eliqinile elisekelwe ezenzakalweni zangempela.
Eminyakeni eyalandela ukushicilelwa kwe-The 12th Planet, izinguqulo ezingaphezu kwamashumi amabili ezivela emhlabeni wonke zembulele umphakathi othakazelisayo lo omunye umbono womlando wobuntu. Lowo utshelwe, ngqo, ngezindaba zonkulunkulu nabantu. UZakaria Sitchin, ngakho-ke, uzinikela ngokuphelele ekujuliseni umsebenzi wakhe futhi ushicilela, eminyakeni engaphezu kwamashumi amathathu, izincwadi ezingekho ngaphansi kweshumi nanhlanu, konke kuthuthukiswe kuzungeze umbono wakhe oqinile: umuntu akasona isithelo sokuvela kwemvelo, uhlobo lukaDarwini. Hhayi ukuthi uphika ukuziphendukela kwemvelo. Kalula nje, phakamisa izinganekwane zikaSumer, lokhu kuziphendukela kwemvelo kwaguqulwa izakhi zofuzo ukusho okuncane kakhulu ngokufunda kakhulu kunabasebenzisi bethu banamuhla bezakhi zofuzo.