Subject
8 free books about comets, free to read online. Chapter 1 of any book is free, no account needed.
Physical science in the time of Nero: being a translation of the Quaestiones naturales of Seneca
Lucius Annaeus Seneca
Essay on comets
David Milne-Home
Comet Lore: Halley's Comet in History and Astronomy
Edwin Emerson
Ragnarok : the Age of Fire and Gravel
Ignatius Donnelly
Comets and Meteors Their phenomena in all ages; Their Mutual Relations; And the Theory of Their Origin.
Daniel Kirkwood
The romance of comets
Mary Proctor
Komet und Erde: Eine astronomische Erzählung
Camille Flammarion
Komet und Weltuntergang
Wilhelm Bölsche
