We will be closed from 5pm BST on Thursday 2nd April for the Easter bank holidays, re-opening at 8.30am BST on Tuesday 7th April. Any orders placed during this period will be processed when we re-open.

This supplement updates the 2025 edition that published in May
The supplement is included in the purchase price of the Volume 1 & 2 set and will be sent automatically to all purchasers when published