Same here, enter every month, none for ages and then three in a row! Luck of the draw but with a good chance of success.
I read the threads when I don't win and sometimes buy the book if the reviews are good.
Only 50% of middle age adult manage more than 1 brisk 10 min walk a month.
Best Supermarket Substitutions?
. I'd guess I get 50% of the books, perhaps slightly more, which is lovely. But I had a run of 6 or 7 months last year without a single one. Fingers crossed for you for next time.
or butler but Mr C makes a mean cup of tea. 