Today I ordered the Farmer Giles of Ham anniversary edition (HarperCollins), edited by Hammond and Scull, from a Swedish internet bookshop. The product description did not mention which anniversary, and the image of the cover of the book was too small to read the text. Now, I'm being a little confused on the alternative covers I've seen on Amazon.uk:

Amazon.uk

The cover of this edition clearly says 60th Anniversary Edition, and it makes sense since the edition is said to be published in December 2008. However, since the product description says: "This is the 50th anniversary edition...", I wonder if any new material was added to the 60th Ann. Ed.?