These are the very first two publications with the "Present dayý Pračlovek" sequence (Contemporary Caveman). The key idea was to represent caveman drawings in the quite simple way and products that were being used at that time... and also in our times. The first a person — “Kuchyňa Pračloveka” (Caveman's https://maplepublishers.com/blog/how-to-start-your-self-publishing-endeavour/