These are the initial two publications with the "Moderný Pračlovek" sequence (Modern Caveman). The main thought was to symbolize caveman drawings in a very simple way and items that were being employed at that time... but also in our times. The 1st 1 — “Kuchyňa Pračloveka” (Caveman's Kitchen area) — https://maplepublishers.com/blog/how-to-start-your-career-as-a-fiction-writer-by-self-publishing-a-book/