The books2door page features a headline offer that gives you a free book with the purchase of every collection. This is an excellent choice if you are looking to build a set of books and want an extra read without spending more.
To make sure you save the most, consider your basket size and what you are buying:
If you are buying a collection of books: The main offer to look for is the code for a Free Book With The Purchase of Every Collection. This allows you to add an extra book to your order at no cost when you buy any of the curated collections.
If you are buying two books: You can use the 5% off code. For example, if you add two books each priced at £10, making your basket £20, this code will save you £1, bringing your total to £19.
If you are buying three books: The 8% off code provides a better saving. For a £30 basket, which might be three books at £10 each, you would save £2.40 and pay £27.60.
If you are buying four books: You should use the 10% off code. On a £40 order of four books at £10 each, for instance, you would save £4 and your total would be £36.
If you are buying five or more books: The 11% off code gives you the biggest percentage discount for multiple items. For five books totalling £50, you would save £5.50 and pay £44.50.
If you are buying ten books: The