A Newbery Medal Winner 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.Winner of the 1948 Newbery Medal, this classic fantasy-adventure is now available in a handsome new edition. "William Pene du Bois combines his rich imagination, scientific tastes, and brilliant artistry to tell astory that has no age limit."—The Horn Book

Hot air balloons are huge and colorful. They're lots of fun to watch. But how do they fly? And how do people control where the hot air balloon goes? Read this book to find out!

All of the bears at Koala Park are not speaking to each other. Wise old Bear finds a way to stop the quarreling among the koalas by having a masquerade party where they were nice to each other-not knowing who they were talking to for the costumes!

When a circus and three visitors come to town, the detective, known to most people as a young boy who is an incessant day dreamer, meets his first challenge.

Sixteen-year-old Ellie Baum time-travels to 1988 East Berlin, where she meets members of an underground guild who use balloons and magic to help people escape over the wall, and learns that someone is using dark magic to change history.

In this story based on true events, a thirteen-year-old apprentice takes the first manned hot air balloon flight in America and gains new insight into life's possibilities.

The discoveries and adventures of ten-year-old Lucinda, who spends a wonderful year exploring the New York City of the 1890s.