I was looking for some ratings figures and came across this from January – on Nathaniel Parker's website:

Quote

"The TV Book Club" picked up a peak average audience just short of 500,000 viewers overall. However, total weekly sales of the 10 titles saw a slight drop after transmission of the first show.

The show on Sunday evening (More4) saw 303,000 viewers, peaking at an maximum of 364,00…