Janette built the In Defense of Cats! website today and is looking at ways in which she can also offer it in a British English version because her main character is an English cat. In Britain, the title would be spelled In Defence of Cats!
British English is also called the Queen's English when a female monarch is reigning. It would be called the King's English when a male monarch is reigning. Britain's current monarch is Queen Elizabeth II (Her Majesty the Queen). The Queen is Head of State of the United Kingdom and 15 other Commonwealth realms.
The American English words used in the book and its' introductions that have British spelling variations (shown in parentheses) are:
I certainly want to offer a British English version of the book because Sir William is a British cat although his creators are American.