It takes the average reader 3 hours to read The Twenty-one Balloons by William Pene Du Bois
Assuming a reading speed of 250 words per minute. Learn more
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.
The Twenty-one Balloons by William Pene Du Bois is 180 pages long, and a total of 45,000 words.
This makes it 61% the length of the average book. It also has 55% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 4 hours and 5 minutes to read The Twenty-one Balloons aloud.
The Twenty-one Balloons is suitable for students ages 10 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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