Kamen Tvrtko
by Sonja Smolec

The book contains seven stories connected/linked by the same main character - Kamen Tvrtko - a flint stone with the name Tvrtko which lived in the lake and by chance was excavated by a dredge. On the way he tried to run away from the truck. There he met his first new friend - it was a snail. This was just the beginning of his great adventure.