It had been the coldest November night in Scotland for several years, and when Algy woke up in the morning he found that the world had been provided with a beautiful coverlet of white hoar frost. In areas of long grass it had created undulating waves in a frozen green sea, and Algy was able to ride on the top as though he were sailing across an icy ocean, as the frost held everything firmly in its place.
The Adventures of Algy 