I stepped into the dimness of the cavern and halted. I had never before visited Dagon's Cave, yet a vague sense of misplaced familiarity troubled me as I gazed on the high arching roof, the even stone walls and the dusty floor. I shrugged my shoulders, unable to place the elusive feeling; doubtless it was evoked by a similarity to caverns in the mountain country of the American Southwest where I was born and spent my childhood.