These are typically the very first two publications for your "Modern-dayý Pračlovek" sequence (Modern-day Caveman). The main concept was to represent caveman drawings in a quite simple way and products which were being made use of at that time... but will also inside our times. The primary just one — https://maplepublishers.com/blog/what-to-do-before-you-opt-for-ebook-conversion-while-self-publish-your-book/