"Shark Sands" is an exciting thriller that tells the story of a group of scientists who go on a research expedition deep into the Sahara desert in search of a lost city. However, when they come across huge extinct sharks degenerated as a result of genetic experiments, they find themselves in mortal danger. This book is not only a tense scientific detective story, but also an exciting story about survival, friendship and the dangers of scientific discovery. By the time you finish reading Shark Sands, you'll be convinced that sometimes the biggest threats can lurk just below the surface.