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The Twenty-One Balloons (Turtleback School & Library Binding Edition) (Puffin Newbery Library)
ISBN 0833509152 / 9780833509154 / 0-8335-0915-2
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FOR USE IN SCHOOLS AND LIBRARIES ONLY. Relates the incredible adventures of Professor William Waterman Sherman who in 1883 sets off in a balloon across the Pacific, survives the volcanic eruption of Krakatoa, and is eventually picked up in the Atlantic. [via]