It's the clearest and most beautifully written introduction to science I've ever read. Again and again I found myself saying "Oh! So that's how genes work!" (or stars, or tectonic plates, or all the other things he explains). Explanations I thought I knew were clarified; things I never understood were made clear for the first time Philip Pullman
Dawkins has a gift for making science enjoyable ... [He is] one of the greatest scientific writers/explainers of all time. Bill Gates