Into the Dark: What darkness is and why it matters

'Often poetic ... highly-researched and thought-provoking'New Scientist
'Gently and thoughtfully enquiring' The Spectator

Can you remember the first time you encountered true darkness? The kind that remains as black and inky whether your eyes are open or closed? Where you can't see your hand in front of your face?

Jacqueline Yallop can. It was in an unfamiliar bedroom while holidaying in Yorkshire as a child, and ever since then she has been fascinated by the dark, by our efforts to capture ...