They say he talked to invisible friends and sometimes invisible animals.

For the invisible animal in the corridor was a leopard.

I opened my mouth, not even sure what I'd say, when that roll of invisible animal hit my chest, and the cross.

Is there such a thing as an invisible animal?

The fire looked as though an invisible animal were dancing on it, crushing it, until it was angry smoke.

His hand made a brushing motion in the air, as if he were stroking a soft, invisible animal.

Dead scenes, as if their marriage had been picked clean over the years by invisible, voracious animals.

There are also small, nearly invisible animals called "household deer," which inhabit most every corner of the region without much obvious impact.

It was bright moonlight, and fifty yards away he could see head-high grass swaying as some large invisible animal moved through it.

With the wind nipping at him like an invisible animal, the halfling squeezed in between two boulders a further protection from the unwelcoming elements.