It takes the average reader 6 hours and 30 minutes to read The Harmonetics Investigation by Gladys Heldman
Assuming a reading speed of 250 words per minute. Learn more
The Harmonetics Investigation by Gladys Heldman is 384 pages long, and a total of 97,536 words.
This makes it 130% the length of the average book. It also has 119% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 8 hours and 52 minutes to read The Harmonetics Investigation aloud.
The Harmonetics Investigation is suitable for students ages 12 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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