Few people read books about philosophy nowadays, if they ever did, but there is a larger audience for books about philosophers. One of the more successful examples in this flourishing genre was David Edmonds’s and John Eidinow’s Wittgenstein’s Poker, published in 2001, which examined a brief and tense meeting between Ludwig Wittgenstein and Karl Popper that took place in Cambridge in 1946.
Metaphysical Animals bears some resemblance to that book insofar as it has two authors – the philosophers Clare Mac Cumhaill and Rachael Wiseman – and concerns roughly the same period. It even features an influential walk-on part for Wittgenstein.