"The Great Shadow and Other Napoleonic Tales" is a collection of short stories written by Arthur Conan Doyle. The stories are set against the backdrop of the Napoleonic Wars and offer a glimpse into the lives of soldiers and civilians affected by the conflict. The title story, "The Great Shadow," is a satirical piece that pokes fun at the jingoistic fervor that swept through Britain during the war. The story revolves around a group of young men who become obsessed with the idea of joining the military and fighting Napoleon. Other stories in the collection include "The Crime of the Brigadier," which follows the investigation into a murder on a French battlefield, and "The Surgeon of Gaster Fell," which tells the tale of a doctor who sets out to prove the existence of a legendary monster in the English countryside. Overall, the collection offers an entertaining and insightful look at the impact of war on society and individuals, and showcases Conan Doyle's skill as a writer of historical fiction.