A Newbery Medal Winner and timeless classic

Professor William Waterman Sherman intends to fly across the Pacific Ocean. But through a twist of fate, he lands on Krakatoa, and discovers a world of unimaginable wealth, eccentric inhabitants, and incredible balloon inventions.

“William Pene du Bois combines his rich imagination, scientific tastes, and brilliant artistry to tell a story that has no age limit.”—The Horn Book