They're the primary two publications to the "Present dayý Pračlovek" collection (Modern-day Caveman). The main strategy was to characterize caveman drawings in a very very simple way and products that were employed at that time... and also inside our times. The primary a person — “Kuchyňa Pračloveka” (Caveman's Kitchen) — https://maplepublishers.com/blog/4-tips-to-create-a-plot-before-self-publishing-a-book/