""A Letter to Robert Peel, on the Pernicious Effects of a Variable Standard of Value"" is a book written by Edward Copleston in 1819. In this book, Copleston addresses the issue of a fluctuating standard of value, arguing that it is detrimental to the economy and society as a whole. He specifically directs his letter to Robert Peel, who was a prominent British politician at the time and would later become Prime Minister. Copleston outlines the various...