It takes the average reader 10 hours and 33 minutes to read The Sleepwalkers by Arthur Koestler
Assuming a reading speed of 250 words per minute. Learn more
An extraordinary history of humanity's changing vision of the universe. In this masterly synthesis, Arthur Koestler cuts through the sterile distinction between 'sciences' and 'humanities' to bring to life the whole history of cosmology from the Babylonians to Newton. He shows how the tragic split between science and religion arose and how, in particular, the modern world-view replaced the medieval world-view in the scientific revolution of the seventeenth century. He also provides vivid and judicious pen-portraits of a string of great scientists and makes clear the role that political bias...
The Sleepwalkers by Arthur Koestler is 624 pages long, and a total of 158,496 words.
This makes it 211% the length of the average book. It also has 194% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 14 hours and 26 minutes to read The Sleepwalkers aloud.
The Sleepwalkers 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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