Many people throughout the world inhabit imaginary worlds communally and persistently, parsing Harry Potter and exploring online universes. These activities might seem irresponsibly escapist, but history tells another story. Beginning in the late nineteenth century, when Sherlock Holmes became the world's first virtual reality character, readers began to colonize imaginary worlds, debating serious issues and viewing reality in provisional, as if terms rather than through essentialist, just so perspectives. From Lovecraft's Cthulhu Mythos and Tolkien's Middle-earth to the World of Warcraft and Second Life, emAs Ifem provides a cultural history that reveals how we can remain enchanted but not deluded in an age where fantasy and reality increasingly intertwine.