Laxmi Bachanalaya
Legally available public-domain books and openly licensed reading materials.
Alexander Watt
Lyman Horace Weeks
R. W. Sindall
J. G. Wood
George G. André
William E. Austin
Mattie Phipps Todd
J. Hamilton Fyfe
F. W. Wilder
George Laing Miller
Cecilia Payne-Gaposchkin
bart. Sir Arthur Percival Heywood
George Athelstane Thrupp
American School of Correspondence
American Face Brick Association
William A. Alcott
Francis C. Frary
Allen Hazen
David Pollock
Ethel Mairet
Sir John Rennie
Charles Babbage
Harry Chase Brearley
Clough Williams-Ellis and Amabel Williams-Ellis
Various
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.