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Free astronomy, the stars, and space eBooks
- 1 – Great Astronomers by Robert S. Ball
- 2 – The Witness of the Stars by E. W. Bullinger
- 3 – Astronomy for Amateurs by Camille Flammarion
- 4 – The Astronomy of the Bible by E. Walter Maunder
- 5 – Pioneers of Science by Sir Oliver Lodge
- 6 – A Textbook of General Astronomy for Colleges and Scientific Schools by Young
- 7 – A Field Book of the Stars by William Tyler Olcott
- 8 – A New Astronomy by David P. Todd
- 9 – An Introduction to Astronomy by Forest Ray Moulton
- 10 – The Sidereal Messenger of Galileo Galilei by Galileo Galilei and Johannes Kepler
- 11 – A Historical Account of Useful Inventions and Scientific Discoveries by Grant
- 12 – Are the Planets Inhabited? by E. Walter Maunder
- 13 – Curiosities of the Sky by Garrett Putman Serviss
- 14 – The Discovery of a World in the Moone by John Wilkins
- 15 – The Heavens Above by J. A. Gillet and W. J. Rolfe
- 16 – The Story of the Heavens by Robert S. Ball
- 17 – A Text-Book of Astronomy by George C. Comstock
- 18 – History of Astronomy by George Forbes
- 19 – Astronomical Myths: Based on Flammarions’s “History of the Heavens” by J. F. Blake et al.
- 20 – The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler
- 21 – The Story of Eclipses by George F. Chambers
- 22 – Myths and Marvels of Astronomy by Richard A. Proctor
- 23 – The gradual acceptance of the Copernican theory of the universe by Dorothy Stimson
- 24 – Astronomy of To-day: A Popular Introduction in Non-Technical Language by Dolmage
- 25 – A Popular History of Astronomy During the Nineteenth Century by Agnes M. Clerke
- 26 – Pleasures of the telescope by Garrett Putman Serviss
- 27 – The Astronomy of Milton’s ‘Paradise Lost’ by Thomas Nathaniel Orchard
- 28 – Terrestrial and Celestial Globes Volume 1 by Edward Luther Stevenson
- 29 – Terrestrial and Celestial Globes Volume 2 by Edward Luther Stevenson
- 30 – Watchers of the Sky by Alfred Noyes
- 31 – Astronomy with an Opera-glass by Garrett Putman Serviss
- 32 – The Practical Astronomer by Thomas Dick
- 33 – Half-hours with the Telescope by Richard A. Proctor
- 34 – Astronomical Instruments and Accessories by William Gaertner and Company
- 35 – Through the Telescope by James Baikie
- 36 – The Future of Astronomy by Edward C. Pickering
- 37 – Recreations in Astronomy by Henry White Warren
- 38 – Telescopic Work for Starlight Evenings by William F. Denning
- 39 – Astronomy: The Science of the Heavenly Bodies by David P. Todd
- 40 – Earth and Sky Every Child Should Know by Julia Ellen Rogers
- 41 – Biography of Percival Lowell by A. Lawrence Lowell
- 42 – On the Construction of a Silvered Glass Telescope by Henry Draper
- 43 – Letters on Astronomy by Denison Olmsted
- 44 – Lectures on Stellar Statistics by C. V. L. Charlier
- 45 – Astronomical Lore in Chaucer by Florence M. Grimm
- 46 – Astronomical Curiosities: Facts and Fallacies by J. Ellard Gore
- 47 – The Tides and Kindred Phenomena in the Solar System by Sir George Howard Darwin
- 48 – The Royal Observatory, Greenwich: A Glance at Its History and Work by Maunder
- 49 – Side-Lights on Astronomy and Kindred Fields of Popular Science by Simon Newcomb
- 50 – Practical Talks by an Astronomer by Harold Jacoby
- 51 – Stargazing: Past and Present by Sir Norman Lockyer
- 52 – The Science of the Stars by E. Walter Maunder
- 53 – The Uses of Astronomy by Edward Everett
- 54 – Plato’s Doctrine respecting the rotation of the Earth and Aristotle’s Comment upon that Doctrine
- 55 – Meteoric astronomy: A treatise on shooting-stars, fire-balls, and aerolites
- 56 – The Children’s Book of Stars by G. E. Mitton
- 57 – Astronomical Discovery by H. H. Turner
- 58 – New Theories in Astronomy by Willam Stirling
- 59 – The Study of Astronomy, adapted to the capacities of youth by Stedman
- 60 – Astronomy for Young Folks by Isabel Martin Lewis
- 61 = Astronomy for Young Australians by James Bonwick
- 62 – The Telescope by Louis Bell
- 63 – Half-Hours with the Stars by Richard A. Proctor
- 64 – The Story of the Solar System by George F. Chambers
- 65 – The Source and Mode of Solar Energy Throughout the Universe by Isaac W. Heysinger
- 66 – The Sun changes its position in space by August Tischner
- 67 – The proceedings of the Canadian Eclipse Party, 1869 by E. D. Ashe
- 68 – Comets and Meteors by Daniel Kirkwood
- 69 – Kepler by Walter W. Bryant
- 70 – The Life of Galileo Galilei, with Illustrations of the Advancement of Experimental Philosophy Life of Kepler