River Out of Eden and A Universe from Nothing

In a recent reddit Q&A for the movie The Unbelievers, Richard Dawkins and Lawrence Krauss mentioned their favorite books by the other:

Lawrence Krauss:

My favorite book of Richard's is River Out of Eden. It is the most beautifully concise description of evolution I've ever read, I liked it so much I sent Richard a fan letter when it appeared.

Richard Dawkins (his pick was also a Charlie Munger pick):

Universe from Nothing is my favourite book by Lawrence. Beautiful example of my maxim "If you could do physics by common sense, we wouldn't need physicists"

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Dawkins' other prominent books on evolution are listed, HERE.