“That’s because our heads have something inside them，” said Lucy.
At first things seemed to be going pretty well. They even thought they had struck an old path， but if you know anything about woods， you will know that one is always finding imaginary paths. They disappear after about five minutes and then you think you have found another （and hope it is not another but more of the same one） and it also disappears， and after you have been well lured out of your right direction you realize that none of them were pats at all. The boys and the Dwarf， however， were used to woods and were not taken in for more than a few seconds.
They had plodded on for about half an hour （three of them very stiff from yesterday‘s rowing） when Trumpkin suddenly whispered， “Stop.” They all stopped. “There’s something following us，” he said in a low voice. “Or rather， something keeping up with us： over there on the left.” They all stood still， listening and staring till their ears and eyes ached. “You and I‘d better each have an arrow on the string，” said Susan to Trumpkin. The Dwarf nodded， and when both bows were ready for action the party went on again.