Frog "is astonished, one morning, to find the world white and the river frozen. Though Duck tries to teach him to skate and Hare lauds the virtues of jogging, Frog continues to shiver. Still, his sympathetic friends build Frog a fire, tuck him into bed, and ply him with hot soup; and he does make it through to spring. The simple, gracefully told story is nicely extended in the award-winning Dutch artist's beautifully designed compositions....Charming."--Kirkus...