Marco the fox has a lot of questions — how deep does the sun go when it sinks into the sea? Why do birds have such lizardy feet? — and none of the other foxes share his curiosity. When a magnificent ship crewed by deer and pigeons arrives at the dock, he sets sail. The Fan Brothers' dreamy graphite-and-pen illustrations, with sepia maps on the endpapers and a peg-legged pigeon sailor, are as adventure-worn and beautiful as the story itself.