They're the first two publications to the "Modern dayý Pračlovek" sequence (Modern Caveman). The most crucial notion was to symbolize caveman drawings within a very simple way and products that ended up utilized at that time... but will also in our days. The primary one — “Kuchyňa Pračloveka” (Caveman's Kitchen https://maplepublishers.com/blog/what-services-do-ebook-self-book-publishers-in-london-require/