The contents reflect the original order of composition of the books.
Book 3. On terrestrial waters
Book 4a. On the Nile
Book 4b. On clouds (rain, hail, snow)
Book 5. On winds
Book 6. On earthquakes
Book 7. On comets
Book 1. On fires
Book 2. On lightning and thunder.
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Natural questions by Lucius Annaeus Seneca. ISBN 9780226748382. Published by University of Chicago Press in 2010. Publication and catalogue information, links to buy online and reader comments.
