Please be aware that most carriers are experiencing delays in shipping due to Covid.

We are sorry to announce that from 15 February our book cost will be going up to £39.00 as all our supply costs have gone up.


If you need help, then first have a look at the guidance within each book, in the margins of the first couple of pages.  Also, see the questions and answers below. If you can’t find the answer, then do email us at