Reading Level
What is the reading level of The Twenty-One Balloons?
Analysing the books in the series, we estimate that the reading level of The Twenty-One Balloons is 8th and 9th grade.
Expert Readability Tests for
The Twenty-One Balloons
| Readability Test | Reading Level |
|---|---|
| Flesch Kincaid Scale | Grade 9 |
| SMOG Index | Grade 11 |
| Coleman Liau Index | Grade 9 |
| Dale Chall Readability Score | Grade 6 |
Reading Time
2 hrs 4 mins
How long to read The Twenty-One Balloons?
The estimated word count of The Twenty-One Balloons is 31,000 words.
A person reading at the average speed of 250 words/min, will finish the book in 2 hrs 4 mins. At a slower speed of 150 words/min, they will finish it in 3 hrs 27 mins. At a faster speed of 450 words/min, they will finish it in 1 hrs 9 mins.
| The Twenty-One Balloons - 31,000 words | ||
|---|---|---|
| Reading Speed | Time to Read | |
| Slow | 150 words/min | 3 hrs 27 mins |
| Average | 250 words/min | 2 hrs 4 mins |
| Fast | 450 words/min | 1 hrs 9 mins |
- Authors
-
William Pene du Bois
More about The Twenty-One Balloons
31,000 words
Word Count
for The Twenty-One Balloons
3 hours and 20 minutes
Audiobook length
Description
A Newbery Medal Winner and timeless classic 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. “William Pene du Bois combines his rich imagination, scientific tastes, and brilliant artistry to tell a story that has no age limit.”—The Horn Book