An ancient message

Sometimes just one sentence is enough to change your life. And that' s exactly what happens to a group of friends who, based on one sentence, decide to search for the fate of their great-grandfather, who fought in World War I. They gradually begin to uncover his fate, and their search brings not only new and unexpected insights, but also danger. Will they be able to deliver a message forgotten for 78 years? You can join the story too! The book is supplemented with various tasks that you can complete together with the main characters of the story.