National Geographic #'14/02: The New Science of the Brain

Nevidljivi putovi

Planine Hrvatske

The author of the book is dr. Željko Poljak, doctor, university professor, author of works on mountaineering, the man who first raised the Croatian flag on the Himalayas.

Što nam kaže nauka o prirodi i čovjeku

Čudesni svijet prirodnih znanosti

Kako žena doživljava muškarca

The book was written in the thirties of the twentieth century, and it has not lost its relevance because it was written from the practice of working with people who have various difficulties in their sexual life.

Život među liječnicima