‘At Arms with Morpheus’ by O. Henry: Short Story Analysis ‘At Arms with Morpheus’ is a realistic short story published in 1911 in the short story collection Sixes and Sevens. The story was penned by American writer O. Henry. O. Henry is the pen name of William Sydney Porter. His short stories always end with a twist, and the tone of each story is mostly witty. Here, … [Read more...] about ‘At Arms with Morpheus’ by O. Henry: Short Story Analysis