These are the primary two publications with the "Present dayý Pračlovek" collection (Fashionable Caveman). The principle idea was to symbolize caveman drawings inside a very simple way and products which were utilized at that time... but will also within our times. The initial 1 — “Kuchyňa Pračloveka” (Caveman's Kitchen) — https://maplepublishers.com/blog/5-ways-to-self-publish-an-ebook/