It takes the average reader 6 hours and 1 minute to read Halley's Comet & the Principia by Peter Lancaster Brown
Assuming a reading speed of 250 words per minute. Learn more
Halley's Comet & the Principia by Peter Lancaster Brown is 349 pages long, and a total of 90,391 words.
This makes it 118% the length of the average book. It also has 110% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 8 hours and 13 minutes to read Halley's Comet & the Principia aloud.
Halley's Comet & the Principia 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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