The Czar's Spy by William le Queux

Where was Elma? What was the cause of her inexplicable disappearance into the gloomy forest while we had slept?

I returned to the hotel where I had stayed on my arrival, a comfortable place called the Phoenix, and lunched there alone. Both Felix, the Finn, and my host, the wood-cutter, had received their _douceurs_ and left, but to the last-named I had given instructions to return home at once and report by telegraph any news of my lost one.