Unashamed plug for a good friend and colleague who is about to publish his first book.The book is called Dafydd Ap Llywelyn-The Shield Of Wales by Steve Griffiths.Steve is a dedicated Welsh historian who has a unique writing style.The book covers the six turbulent years of the reign of Dafydd,the favoured son of Llywelyn Fawr.The publisher is Y Lolfa and it will be released on April 1st. 2011.It will be available on Amazon and is a must read for anyone interested in Welsh history.