[A]s a study of large mammals,'Horn of Darkness' remains a valuable and absorbing book, not least because of the subject at its center, the black rhino itself....In the end...,'Horn of Darkness' accomplishes an important purpose. Though happily devoid of preachments or rhapsodic sighs about the winders of nature, it conveys the importance of conservation, even as it dispels any illusions that the task is easy. Copyright (C) Muze Inc. 2005. For personal use only. All rights reserved.