They are the initial two publications to the "Modern dayý Pračlovek" series (Modern Caveman). The main concept was to depict caveman drawings inside of a very simple way and products which were applied At the moment... and also in our times. The primary just one — “Kuchyňa Pračloveka” (Caveman's Kitchen) https://maplepublishers.com/blog/top-qualities-of-a-leading-ebook-cover-creator/