Analysing the books in the series, we estimate that the reading level of Biggles Flies North is 6th and 7th grade.
Readability Test | Reading Level |
---|---|
Flesch Kincaid Scale | Grade 6 |
SMOG Index | Grade 8 |
Coleman Liau Index | Grade 5 |
Dale Chall Readability Score | Grade 6 |
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