You might like Greenstein and Zajonc's book 'The Quantum Challenge' is talks about a lot of the research in the foundations of quantum mechanics, which is a thr

You might like Greenstein and Zajonc's book 'The Quantum Challenge' is talks about a lot of the research in the foundations of quantum mechanics, which is a thriving field in its own right. It's also incredibly subtle and basically impossible to sell popular books with. The book I mentioned is most emphatically not a popular science book.