The Twenty-One Balloons
by William Pene du Bois
Professor Sherman sets out in a hot air balloon in search of peace and quiet. What he finds is high-adventure: erupting volcanoes, amazing inventions, and hair-breadth escapes!
Novel Study Highlights (5 units)
Spelling-Vocabulary: Difficult
Critical Thinking: Medium
Biblical Focus: God power; folly of idleness
Related Studies:Â World geography, governments, natural disasters, inventors, travel
