Minecraft blokopedia book from The Works.
Normally £30 ---> down to £12.
Use code PLAY25 for 25% off (spend over £20)
12.12% top cashback (used codes before with the works and the cashback has still tracked and gone through ok)
Free delivery over £25 or free click and collect.
Total price £6.60.
They do other minecraft books aswell, some toys are 2 for £10. With discounts it makes them really cheap.