"Danger! and Other Stories" by Arthur Conan Doyle is a collection of short stories published in 1918. The title story, written before World War I, depicts a fictional nation using submarine warfare to blockade Britain, forcing the country into starvation and surrender. This prescient tale eerily predicted Germany's U-boat strategy and reportedly influenced German naval thinking. The collection also includes "The Horror of the Heights," a science fiction piece about deadly invisible creatures dwelling in the upper atmosphere, alongside other tales of mystery and adventure. (This is an automatically generated summary.)