These are typically the main two publications for that "Contemporaryý Pračlovek" series (Contemporary Caveman). The main thought was to symbolize caveman drawings in the very simple way and products that were utilised At the moment... and also within our times. The first one — “Kuchyňa Pračloveka” (Caveman's Kitchen area) — https://maplepublishers.com/blog/5-steps-towards-self-publishing-a-book/