"What the...," he muttered as he looked up from his book. Richard could have sworn that someone had said something, but there was no one around to do it.

Returning to his book, a second noise was made, and this time he was sure that it had happened. "Alright, whoever is there had better show themselves right now."

Of course, he still couldn't see anyone, which meant that either they had camouflaged themselves or he was losing it.

Then the stench filled his nose, and he quickly covered his mouth and nostrils. "Great, I'm hearing voices and someone left their wet socks lying around."