The book "Taking Stock of Taking Liberties" by Linda Colley is available from Amazon for £6.95. (If it is temporarily out of stock then you should be able to find it 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 can 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.