The new book is simple to summarize: just read the title. It's aimed at a lay audience and answers the question of why biologists are so darned confident about the theory of evolution by going through a strong subset of the evidence.
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See: Why Evolution Is True
See also:
Details Of Evolutionary Transition From Fish To Land Animals Revealed
Oldest Fossil Impression Of Flying Insect
Unique Fossils Capture 'Cambrian Migration'