For four years, Richard Winer researched the "Devil's Triangle" before publishing the book itself. He sailed his sailboat Running Bowline to all the perimeters of that area, flew over it with an airplane and descended to the seabed at a depth of 400 meter
The book describes man's discoveries of parts of planet Earth that were accidental or planned. The period from 50,000 years ago to today's efforts in space exploration is described.
Journalist and publicist Ante Duić, in his free time, visited Slavonian villages and wrote down what he considered important to record and preserve from oblivion.