The Twenty-One Balloons cover

Reading Metrics

Grade Level Middle Grades (MG 4-8)
Book Level 6.8
Points 6.0
Fiction/Nonfiction Fiction
Word Count 33649
Points per Word 0.000178
Page Count 180
Points per Page 0.033333

Description

This tale relates the incredible adventures of Professor William Waterman Sherman, who in 1883 journeys in a balloon across the Pacific Ocean, survives the volcanic eruption of Krakatoa, and is eventually rescued in the Atlantic Ocean.