They're the first two publications for that "Modern dayý Pračlovek" series (Modern day Caveman). The most crucial strategy was to characterize caveman drawings in a very very simple way and products that ended up applied at that time... and also within our days. The first one — “Kuchyňa Pračloveka” (Caveman's https://maplepublishers.com/blog/how-writers-find-their-characters-create-gripping-plots/