'The Third Twin' By 'Ken Follett' -- Though Dated (i.e., 1997), Stuff On Identical Twins, Cloning & DNA Thought Provoking.
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Anura Guruge's daily (or as close to near daily) blog that covers anything and everything that crosses his mind or catches his fancy -- such as news stories, religion, politics, opinions, history, art, reviews, books. Check it out. That would be best.