The book "Alpha Dogs: The Americans Who Turned Political Spin Into a Global Business" by James Harding is available from Amazon for £11.37 which is an 11% discount on the RRP. (You may find it cheaper in Amazon's New and Used section).
Click on the link below to go directly to the correct page at Amazon where you can read more, where you will find the New and Used section and where you can buy the book if you want to.
Please note that the information above is correct at the time of writing but price and availability do sometimes change at Amazon.