""A Letter to the King: On the Repeal of the Test and Corporation Laws, as it Affects Our Christian Monarchy"" is a political treatise written by Edward Irving in 1828. The book is a call for the repeal of the Test and Corporation Acts, which were discriminatory laws that required certain public officials to be members of the Church of England. Irving argues that these laws are unjust and unconstitutional, and that they undermine the principles of...