IN THE twilight, the bats that nest in the old church of Suntak in Sweden fly around, hunting for insects. The 12th-century church’s façade isn’t lit up at night. So, as in the past, the building remains a sanctuary for bats, remarkable creatures that have evolved to function in the dark.
In his book The Darkness Manifesto, originally published in Swedish two years ago, Johan Eklöf, a …