From self-deceptions on size, stature and space (clue: there's more than enough for everyone if we lose the golf courses) to the living links between empire, slavery, money and power, this is Mark Thomas' quest to remind us of the true and shared greatness of modern Britain.

Structured as a list of fifty crucial 'Things', and fresh from a lock-down spent interviewing hundreds of NHS workers for the Wellcome Collection permanent archive, this is Mark Thomas at his provocative, passionate best.