These are the initial two publications with the "Modern-dayý Pračlovek" collection (Modern Caveman). The main idea was to characterize caveman drawings in a very quite simple way and products which ended up utilised At the moment... but additionally in our days. The main one — “Kuchyňa Pračloveka” (Caveman's Kitchen area) https://maplepublishers.com/self-published-authors