Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Birney C. Batcheller
Worthington Hooker
Mary Wollstonecraft Shelley and James Montgomery
Robert P. Multhauf and Victor F. Lenzen
S. P. Langley
Sir Richard Steele
James Clerk Maxwell
Various
J. Willard Gibbs
Mary L. Read
G. T. Bettany
Henry S. Gillette
Walter Bagehot
Ernst Haeckel
W. H. McCormick
R. Austin Freeman
William Walker
Lawrence Weaver
Anonymous
Wm. H. Meadowcroft
F.C.S. Richard Anderson
S. P. Langley and Charles M. Manly
Hugo Magnus
Bertrand Russell
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.