Kate Middleton's defiant act when she joined Royal Family - and plea William made to Queen
![Kate Middleton's defiant act when she joined Royal Family - and plea William made to Queen](https://i2-prod.mirror.co.uk/incoming/article33338533.ece/ALTERNATES/s615/0_FILES-BRITAIN-ROYALS-KATE-HEALTH.jpg)
A new book has described how before joining ‘the Firm’, Kate set out some ground rules, with William delivering her 'terms' to Queen Elizabeth and Prince Charles