From a purely techno point of view, "Prey" may be Crichton's most ambitious techno-thriller yet. Crichton sets out to generate suspense from a truly daunting trio of applied sciences: nanotechnology, genetic engineering and computer-based artificial life. Unpredictability is meant to be the great theme of "Prey." Despite its absurd moments, "Prey" is irresistibly suspenseful. You're entertained on one level and you learn something on another, even if the two levels do ultimately diverge. A columnist for Slate reviews Michael Crichton's latest for NYT. You can read the first chapter online. (The book goes on sale Monday, November 25.) 'Prey': Attack of the Nanoswarms | 
