Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Marie Curie
John Tyndall
Walter Jerrold
Lewis Campbell and William Garnett
William Garnett
F. Arago
Evelyn E. Smith
Jim Wannamaker
C. C. MacApp
Jr. John W. Campbell
George O. Smith
David E. Fisher
J. W. N. Sullivan
R. R. Winterbotham
Edmond Hamilton
Joseph Bertrand
P. Schuyler Miller
Daniel R. Gilgannon
John Victor Peterson
Lee Wallot
Henry Augustus Rowland
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.