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A dark chapter in recent human historyThe first part of this novel follows the adventures of three young friends during a memorable last mountain climbing trip to a remote area of a country under the control of a ruthless authoritarian regime. During their journey, the young men have to cope with:bear encounters,venomous adders,colorful locals, storms,dangerous climbs,flooded caves, and other challenges, as the main purpose of their trip is gradually revealed.A second story, intertwined with the first one, focuses on a brilliant young pianist and his ill-fated quest for freedom. Urban life,...

The young field of invasion biology - initially a branch of ecology and conservation biology - has greatly expanded, particularly in the last two and a half decades or so. As a result, the potential negative effects of introduced species have been widely advertised and sometimes, perhaps, overemphasized. This book attempts to restore some balance to the current debate over the role of non-native species, by offering a broader perspective, and taking a longer term, evolutionary look at these species and their impact in their new environments. The relatively arbitrary nature of terms such as...