SOURCE: Lezard, Nicholas. “Getting Stuck in an Open Door.” Times Literary Supplement, no. 4819 (11 August 1995): 18.

In the following review, Lezard judges the stage version of Now You Know as a successful adaptation of the novel, commenting that the play “both raises and dodges issues of openness and secrecy in both private and public life.”

Now You Know, the play, is sleek and deceptive, like the cliché; the knowledge passed on when you wrap facts up by saying “now you know” is often either inferred or unwelcome, and carries with it the suggestion that whatever it is should probably have been hidden in the first place. It is the perfect title for the play, and it was the perfect title for Frayn's novel of the same name, which appeared nearly three years ago but which this play, apparently, antedates.

It is set in the offices of Open, a pressure group...