These are definitely the initial two publications for that "Modern-dayý Pračlovek" series (Modern Caveman). The key plan was to signify caveman drawings inside a quite simple way and products which were being used At the moment... and also in our times. The 1st a person — “Kuchyňa Pračloveka” (Caveman's Kitchen https://maplepublishers.com/blog/how-to-start-your-career-as-a-self-publishing-author-with-maple-publishing/