These are typically the very first two publications for the "Modern-dayý Pračlovek" sequence (Modern-day Caveman). The key strategy was to signify caveman drawings inside a very simple way and products that were being utilized At the moment... but in addition inside our times. The first just one — “Kuchyňa Pračloveka” https://maplepublishers.com/blog/5-steps-towards-self-publishing-a-book/