The Heart of Mid-Lothian by Walter Scott - is the seventh of Sir Walter Scott's Waverley Novels. It was originally published in four volumes on 25 July 1818, under the title of Tales of My Landlord, 2nd series, and the author was given as "Jedediah Cleishbotham, Schoolmaster and Parish-clerk of Gandercleugh". The main action, which takes place between September 1736 and May 1737, is set in motion by the Porteous Riots in Edinburgh and involves an epic journey from Edinburgh to London by a working-class girl to obtain a royal commutation of the death penalty incurred by her sister for the alleged murder of her new-born baby. Despite some negative contemporary reviews, some now consider it Scott's best novel.The title of the book refers to the Old Tolbooth prison in Edinburgh, Scotland, at the time in the heart of the Scottish county of Midlothian. The historical backdrop was the event known as the Porteous riots. In 1736, a riot broke out in Edinburgh over the execution of two smugglers. The Captain of the City Guards, Captain John Porteous, ordered the soldiers to fire into the crowd, killing several people. Porteous was later killed by a lynch mob who stormed the Old Tolbooth.The second, and main element of the novel was based on a story Scott claimed to have received in an unsigned letter. It was about a certain Helen Walker who had travelled all the way to London by foot, to receive a royal pardon for her sister, who was unjustly charged with infanticide.