Book excerpt: The book entitled, "The Rock Climbers," is about a dangerous expedition as seen through the author's eyes. That expedition was started in July, 1974 to Pirin Mountains located in southern Bulgaria, to prepare young people for the difficult tasks in their later years, into climbing the highest mountains in the world. As those people might operate later in the stressful climbing conditions they, need to be check their mental usefulness to stay for a long time in the mountain environment during dangerous climbing. The author, in a very interesting way, described the vagaries of natures and difficult crisis situations they had to defeat as well, he described in details about his personal experience during expedition and accompanying him, were his partners. Even the climbing of vertical walls is extremely serious business, and at the moment of climbing, the border between life and death is often very thin, still wins passion, willingness to compete, check themselves and their own possibilities. Undoubtedly, the book "The Rock Climbers," is worthy of the attention not only people who are interested of mountains and the climbing thrill, but everyone else who likes story associate with mystery and adrenalin feeling.