Pic Blog: Prince William pays personal tribute to the Queen

A file photo dated 01 April 2011 shows Prince William (right) showing his grandmother Queen Elizabeth II the hanger of the Sea King Helicopter he flies upon the Queen's visit to RAF Valley in Anglesey, Britain. "My grandma is incredible," says Prince William in an exclusive interview with author and journalist Robert Hardman, to be included in his book "Our Queen". Prince William is quoted as stating the Queen is always available to him for advice.