The Futile Flight of John Arthur Benn

John Arthur Benn blacked out somewhere in the limbo of the pre-Christian era, as he'd been warned he might, and when he came to he found himself lying in a rather uncomfortable heap with his head in a mushroom patch. The mushrooms and the trees around him weren't shrinking any more, so John knew he'd stopped—or at least was going very slowly. After a while he decided he wasn't going at all, and got to his feet.