These are generally the primary two publications with the "Modern dayý Pračlovek" sequence (Modern Caveman). The principle thought was to stand for caveman drawings inside a very simple way and products which were used at that time... but also within our times. The main just one — “Kuchyňa Pračloveka” (Caveman's https://maplepublishers.com/blog/ideas-to-promote-your-ebooks-after-self-publishing-london/