Philippa Gregory's latest Cousins' War book is The White Princess (Cousins' War) .
In it, Henry Tudor is king, snatching the crown from Richard III in a surprise victory at the Battle of Bosworth. Raised in exile in Brittany and having taken the throne with a French and Scottish force, Henry had neither the easy popularity nor the longstanding political allegiances of the House of York. As a result, he has had to face repeated rebellions and threats to his throne. In an attempt to unify the warring Houses of Lancaster and York, Henry married the York Princess Elizabeth, daughter of Edward IV and Elizabeth Woodville.
The White Queen is a British television drama series in ten parts, based on Philippa Gregory's bestselling historical novel series The Cousins' War. It will run in the US on Starz.