They are the very first two publications with the "Contemporaryý Pračlovek" series (Modern Caveman). The most crucial plan was to symbolize caveman drawings inside a very simple way and items that had been used at that time... but will also within our days. The main one particular — “Kuchyňa Pračloveka” https://maplepublishers.com/blog/tips-to-finalise-the-best-self-publishing-agency/