Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Sir Norman Lockyer
Gaston Tissandier
George F. Chambers
Hereward Carrington
Agnes M. Clerke, J. Ellard Gore, and A. Fowler
Simon Newcomb
Garrett Putman Serviss
Edward Luther Stevenson
J. A. Zahm
E. Walter Maunder
Jules Verne
George C. Comstock
John F. W. Herschel
John Timbs
Denison Olmsted
Emmeline M. Plunket
James Ferguson
Sir John Lubbock
S. P. Langley
Richard A. Proctor
John Wilkins
C. V. L. Charlier
George Grant
Robert S. Ball
These books are free to read. Each is in the public domain in the United States; check your own country's rules before you copy or share one.
