Three Mma. Ramotswe books from the No. 1 Ladies' Detective Agency series:
The Miracle at Speedy Motors
The Good Husband of Zebra Drive
Blue Shoes and Happiness
Separately these editions would cost £3.11, £2.76, and £3.99 respectively - in total £9.86: getting on for half price!
To get free delivery you need to use code Y0102 (http://www.hotukdeals.com/item/700094/free-delivery-code-valid-on-any-ord). Alternatively purchases over £25 (should you be buying other books) is free.