These Are definitely the main two publications for that "Modern-dayý Pračlovek" series (Modern Caveman). The main strategy was to depict caveman drawings within a very simple way and products which ended up used at that time... and also within our days. The main 1 — “Kuchyňa Pračloveka” (Caveman's Kitchen area) https://maplepublishers.com/blog/category/blog/