Tracing the "footprints of those who came from the sky through the "toy of heaven`s children" = Tэнгэрээс залрагсдын "мөр"-ийг "тэнгэрийн хүүхдийн наадгай"-гаар мөшгөхүй [Text] : A very brave hypothesis om Aliens that landed in Mongolia / H. G. Akim ; [editor D. Tresensodnom; transl. into eng. U. G. Delgermaa]... – [s. l.] : Ган принт, 2017. - 147 p., ill.; - Text in eng., mong. lang. . – Bibliogr.: p. 143-145 . – [n. c.] – 978-99978-0-426-6 : 30 tg.
This book apparently demonstrates how G.Akim discovered and recorded the traces of "alien civilization" depicted in rock drawings of Mongolia in his every step